CVE-2026-23302

MEDIUMNVD 4.74.7
EchelonGraph scoreMEDIUM confidence

“—” beside the score: it is equal to NVD's CVSS score.

Score 4.7 from GitHub Security Advisory published 2026-03-25. NVD baseline CVSS 4.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: EPSS, GitHub Security Advisory, NVD CVSS v3
Trending — 4 sources updated this week
4.7EG
EchelonGraph verdictMonitorRemediate within your standard update timelines (the SSVC decision on this page).
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: <0.1%CVSS: 4.7Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

In the Linux kernel, the following vulnerability has been resolved:

net: annotate data-races around sk->sk_{data_ready,write_space}

skmsg (and probably other layers) are changing these pointers while other cpus might read them concurrently.

Add corresponding READ_ONCE()/WRITE_ONCE() annotations for UDP, TCP and AF_UNIX.

CVSS v3
4.7
EG Score
4.7MEDIUMmedium confidence
EG Risk
21
EG Risk 21/100

EG Risk is EchelonGraph's 0–100 priority score. It fuses impact severity (EG Severity, the CVSS base score, never the KEV-floored or EPSS-lifted EG Score) with real-world exploitation and automatability, under weights EchelonGraph set by hand, so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner.

How it’s computed (value × EchelonGraph’s weight)
Severity47% × 45%
Impact severity (EG Severity): CVSS 4.7 of 10. Never the KEV-floored or EPSS-lifted EG Score.
Exploitation<0.1% × 40%
FIRST EPSS: the 30-day exploitation probability when EchelonGraph scored this CVE.
Automatability0% × 15%
CISA's BOD 26-04 default: no one has published Automatable for this CVE, and CISA treats it as “no” for a CVE not in KEV.
SSVC (CISA's decision table, applied by EchelonGraph): Track at low or medium mission impact; Track* at high (mission-essential systems).
Exploitation none (no CISA value, KEV listing or exploit code on record) · Automatable no (CISA's BOD 26-04 default) · Technical impact total (CISA's BOD 26-04 default). EchelonGraph holds no SSVC assessment of this CVE from CISA: none of these inputs is from Vulnrichment. EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
<0.1%
EPSS %ILE
below the 1st
KEV
Not listed

What the EG score is made of (scorer v4.0: the three questions the 0–10 score mixes, published apart · methodology)

The EG score (4.7): severity, escalated by confirmed exploitation. This CVE's 4.7 is its impact severity (EG Severity), not escalated.

EG Severity
4.7 MEDIUMCVSS-B, impact only: no KEV listing, EPSS or EG-KEV tier raises it.GitHub Security Advisory CVSS
EG Likelihood
<0.1% within 30 daysSource: FIRST EPSS (model v2026.06.15, score date 2026-10-17). FIRST's exploitation probability, not an EchelonGraph model.
Confirmed exploitation
None on record (CISA KEV, EG-KEV Tier 1)Reported apart from the likelihood: an observed fact, not a probability.
EG Priority
SSVC Track at medium mission impactTrack at low or medium mission impact; Track* at high (mission-essential systems).CISA BOD 26-04: 14 days if the affected system is publicly exposed; Fix on system upgrade if it is not.Each input and its source: the SSVC and BOD 26-04 blocks below.

SSVC (CISA's decision table, applied by EchelonGraph)Track at low or medium mission impact; Track* at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines.

Exploitation none (no CISA value, KEV listing or exploit code on record) · Automatable no (CISA's BOD 26-04 default) · Technical impact total (CISA's BOD 26-04 default). EchelonGraph holds no SSVC assessment of this CVE from CISA: none of these inputs is from Vulnrichment. EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table

BOD 26-04 (CISA's remediation timeline, Table 1)14 days if the affected system is publicly exposed; Fix on system upgrade if it is not.

In CISA KEV no (CISA's KEV catalog) · Automatable no (CISA's BOD 26-04 default) · Technical impact total (CISA's BOD 26-04 default). Where an input reads “CISA's BOD 26-04 default”, no one has published it for this CVE, and CISA's implementation guidance says: “If “Automatable” and “Technical Impact” information items about a CVE ID are not available and the CVE ID is not in the KEV Catalog, CISA will treat its values as “no” and “total,” respectively, until CISA or a third party provides metadata about the CVE ID. CISA will always provide the Vulnrichment data for a CVE ID listed in the KEV Catalog.” Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it

Published

March 25, 2026

Last Modified

October 15, 2026

Advisory Details (6)

Auto-updated Jul 4, 2026
Patch available.
Web page

net: annotate data-races around sk->sk_{data_ready,write_space} - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/f17c1c4acbe2bd702abce73a847a04a196fab2c5
Web page

net: annotate data-races around sk->sk_{data_ready,write_space} - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/c494448bb522bbbb63096540eb2319101a0480ab
Web page

net: annotate data-races around sk->sk_{data_ready,write_space} - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/7ad01905831c815520f1b0486336a03bb7420465
Web page

net: annotate data-races around sk->sk_{data_ready,write_space} - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/2ef2b20cf4e04ac8a6ba68493f8780776ff84300
Web page

net: annotate data-races around sk->sk_{data_ready,write_space} - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/27fccdbcbbfc4651b6f66756e6fa3f52e051ec23
Web page

net: annotate data-races around sk->sk_{data_ready,write_space} - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/279f2b67d1c44ee139bd3fdb221850daa9358449

Vendor Advisories for CVE-2026-23302(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(16)

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(5 across 4 ecosystems)
Debian:11(2)
PackageVulnerable rangeFix by version rangeDependents
linux5.10.103-1 ... 7.2~rc5-1~exp1 (496 versions)
  • every version on: no fix on record
—
linux-6.16.1.106-3~deb11u1 ... 6.1.176-1~deb11u1 (21 versions)
  • every version up to 6.1.177-1~deb11u1: fixed in 6.1.177-1~deb11u1
—
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
linux6.1.106-1 ... 6.1.99-1 (54 versions)
  • every version up to 6.1.177-1: fixed in 6.1.177-1
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
linux6.12.38-1 ... 6.12.85-1~bpo12+1 (17 versions)
  • every version up to 6.12.85-1: fixed in 6.12.85-1
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
linux6.12.100-1 ... 6.19~rc8-1~exp1 (121 versions)
  • every version up to 6.19.8-1: fixed in 6.19.8-1
—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(14)

Data Freshness Timeline

(refreshed 9× in last 7d / 28× in last 30d)

Each row is a time one of our pipelines fetched, updated or re-scored this CVE. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). Most recent first.

Showing the most recent 96 of 208 refreshes on record for this CVE.

A repeat, a row identical to one the same pipeline wrote less than 10 seconds earlier, is not a separate refresh and is not counted. 4 repeat rows among the latest 100 are merged into the row they repeat. The 112 oldest rows on record are not shown and were not checked, so the counts can still include repeats.

  1. 2026-10-18 03:54 UTCEG score recompute
  2. 2026-10-15 16:31 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  3. 2026-10-15 02:48 UTCVendor advisory
  4. 2026-10-15 02:48 UTCGHSA enrichmentGHSA-g352-h749-hp67 · GitHub CVSS 4.7
  5. 2026-10-15 01:55 UTCEG score recompute
  6. 2026-10-15 01:55 UTCVendor advisory
  7. 2026-10-15 01:55 UTCGHSA enrichmentGHSA-g352-h749-hp67 · GitHub CVSS 4.7
  8. 2026-10-14 16:32 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  9. 2026-10-13 16:33 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  10. 2026-10-12 16:33 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  11. 2026-10-12 16:21 UTCEG score recompute
  12. 2026-10-11 20:03 UTCEG score recompute
  13. 2026-10-11 17:16 UTCEG score recompute
  14. 2026-10-11 14:48 UTCEG score recompute
  15. 2026-10-11 13:48 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  16. 2026-10-11 06:25 UTCOSV refresh
  17. 2026-10-10 20:00 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  18. 2026-10-09 20:07 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  19. 2026-10-08 17:11 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  20. 2026-10-07 23:47 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  21. 2026-10-06 15:17 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  22. 2026-09-29 15:21 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  23. 2026-09-28 13:51 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  24. 2026-09-27 13:47 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  25. 2026-09-26 15:58 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
Show 71 more
  1. 2026-09-24 14:03 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  2. 2026-09-21 18:19 UTCOSV refresh
  3. 2026-09-20 20:15 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  4. 2026-09-18 19:27 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  5. 2026-09-16 14:07 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  6. 2026-09-16 05:15 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  7. 2026-09-13 16:47 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  8. 2026-09-12 15:01 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  9. 2026-09-11 14:52 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  10. 2026-09-10 09:34 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  11. 2026-09-08 22:00 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  12. 2026-09-06 13:47 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  13. 2026-09-04 05:06 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  14. 2026-09-02 15:01 UTCOSV refresh
  15. 2026-09-01 13:53 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  16. 2026-09-01 04:39 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  17. 2026-08-30 19:17 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  18. 2026-08-30 01:22 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  19. 2026-08-26 14:46 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  20. 2026-08-23 00:19 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  21. 2026-08-21 23:49 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  22. 2026-08-20 22:55 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  23. 2026-08-19 17:03 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  24. 2026-08-16 10:25 UTCEG score recompute
  25. 2026-08-16 10:25 UTCVendor advisory
  26. 2026-08-16 10:25 UTCGHSA enrichmentGHSA-g352-h749-hp67 · GitHub CVSS 4.7
  27. 2026-08-16 02:14 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  28. 2026-08-15 01:30 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  29. 2026-08-14 06:45 UTCEG score recompute
  30. 2026-08-14 06:45 UTCVendor advisory
  31. 2026-08-14 06:45 UTCGHSA enrichmentGHSA-g352-h749-hp67 · GitHub CVSS 4.7
  32. 2026-08-13 22:00 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  33. 2026-08-12 23:11 UTCVendor advisory
  34. 2026-08-12 23:11 UTCGHSA enrichmentGHSA-g352-h749-hp67 · GitHub CVSS 4.7
  35. 2026-08-11 21:01 UTCEG score recompute
  36. 2026-08-11 21:01 UTCVendor advisory
  37. 2026-08-11 21:01 UTCGHSA enrichmentGHSA-g352-h749-hp67 · GitHub CVSS 4.7
  38. 2026-08-11 00:00 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  39. 2026-08-10 08:30 UTCVendor advisory
  40. 2026-08-10 08:30 UTCGHSA enrichmentGHSA-g352-h749-hp67 · GitHub CVSS 4.7
  41. 2026-08-09 06:20 UTCEG score recompute
  42. 2026-08-09 06:20 UTCVendor advisory
  43. 2026-08-09 06:20 UTCGHSA enrichmentGHSA-g352-h749-hp67 · GitHub CVSS 4.7
  44. 2026-08-08 16:37 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  45. 2026-08-07 16:37 UTCEG score recompute
  46. 2026-08-07 16:37 UTCVendor advisory
  47. 2026-08-07 16:37 UTCGHSA enrichmentGHSA-g352-h749-hp67 · GitHub CVSS 4.7
  48. 2026-08-06 13:46 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  49. 2026-08-06 01:06 UTCEG score recompute
  50. 2026-08-06 01:06 UTCVendor advisory
  51. 2026-08-06 01:06 UTCGHSA enrichmentGHSA-g352-h749-hp67 · GitHub CVSS 4.7
  52. 2026-08-05 19:17 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  53. 2026-08-04 15:10 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  54. 2026-08-04 10:38 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  55. 2026-08-03 23:51 UTCEG score recompute
  56. 2026-08-03 23:51 UTCVendor advisory
  57. 2026-08-03 23:51 UTCGHSA enrichmentGHSA-g352-h749-hp67 · GitHub CVSS 4.7
  58. 2026-08-03 10:35 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  59. 2026-08-02 15:40 UTCEG score recompute
  60. 2026-08-02 15:40 UTCVendor advisory
  61. 2026-08-02 15:40 UTCGHSA enrichmentGHSA-g352-h749-hp67 · GitHub CVSS 4.7
  62. 2026-08-01 04:15 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  63. 2026-07-30 01:30 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  64. 2026-07-27 14:13 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  65. 2026-07-25 14:17 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  66. 2026-07-24 14:17 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  67. 2026-07-23 14:18 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  68. 2026-07-23 03:06 UTCEG score recompute
  69. 2026-07-22 14:08 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  70. 2026-07-20 17:08 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  71. 2026-07-19 14:31 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile

Frequently asked(5)

What is CVE-2026-23302?
CVE-2026-23302 is a medium-severity vulnerability; its CVE record was published on March 25, 2026. In the Linux kernel, the following vulnerability has been resolved: net: annotate data-races around sk->sk{dataready,write_space} skmsg (and probably other layers) are changing these pointers while other cpus might read them concurrently. Add corresponding READONCE()/WRITEONCE() annotations for…
When was the CVE record for CVE-2026-23302 published?
The CVE record for CVE-2026-23302 was published on March 25, 2026. That is the record's publication date; the vulnerability itself may have been made public earlier. EchelonGraph's copy of the record carries a last-modified date of October 15, 2026; the record at its source may have been updated since.
Is CVE-2026-23302 actively exploited?
CVE-2026-23302 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a <0.1% probability of exploitation in the next 30 days (below the 1st percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-23302?
CVE-2026-23302 has a CVSS v3 base score of 4.7 (NVD).
How do I remediate CVE-2026-23302?
A fix for CVE-2026-23302 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-23302 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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