CVE-2026-52922

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-06-24. the CNA's CVSS baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:linux, epss, ghsa
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: None knownExposed: 0

A fix is available — apply it.

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

batman-adv: dat: handle forward allocation error

batadv_dat_forward_data() calls pskb_copy_for_clone() to duplicate an skb for each DHT candidate, but does not check the return value before passing it to batadv_send_skb_prepare_unicast_4addr(). That function dereferences the skb unconditionally, so a failed allocation triggers a NULL pointer dereference.

Skip forwarding to the current DHT candidate on allocation failure.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
38(Track)
EG Risk 38/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity75% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
32%
KEV
Not listed

Published

June 24, 2026

Last Modified

August 5, 2026

Advisory Details (8)

Auto-updated Jun 28, 2026
No patch confirmed yet.
generic

batman-adv: dat: handle forward allocation error - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/cf48e75fc4fe0d5cc7721c82d454221d01367b93
generic

batman-adv: dat: handle forward allocation error - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/ce0c381199402a2c58f4599f4f6ed100d872d0da
generic

batman-adv: dat: handle forward allocation error - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/9cceea8eeba710def2a5707ee00f00c74a9a1cac
generic

batman-adv: dat: handle forward allocation error - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/9bcebaedfb8479cb4affb23c7a0d000ca9a20e73
generic

batman-adv: dat: handle forward allocation error - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/866ac1d57040ed0b44ca732e3c66b3aa6b93011c
generic

batman-adv: dat: handle forward allocation error - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/4d420d9ee70a220a2cd95aa0dd2e15acad66a505
generic

batman-adv: dat: handle forward allocation error - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/2edb8aeb3cdda9d00ec4997252dc5bcd6f54d8ef
generic

batman-adv: dat: handle forward allocation error - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/2d8826a2d3657cea66fb0370f9e521575a673871

Vendor Advisories for CVE-2026-52922(2)

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

Patch Availability(19)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-virtual-hwe-26.04-edge (7.0.0-28.28) @ resolute2026-08-30ubuntu
ubuntulinux-tools-oem-7.0 (7.0.0-1009.9) @ resolute2026-08-30ubuntu
ubuntulinux-virtual-hwe-24.04-edge (7.0.0-28.28~24.04.1) @ noble2026-08-30ubuntu
ubuntulinux-xilinx-zynqmp-tools-5.15.0-1075 (5.15.0-1075.79) @ jammy2026-08-30ubuntu
ubuntulinux-tools-nvidia-tegra-rt-5.15 (5.15.0.1064.66~20.04.1) @ focal2026-08-30ubuntu
ubuntulinux-tools-oracle-7.0 (7.0.0-1008.8) @ resolute2026-08-30ubuntu
ubuntulinux-tools-nvidia-lowlatency-5.15 (5.15.0.1107.107) @ jammy2026-08-30ubuntu
ubuntulinux-tools-nvidia-tegra-rt-5.15 (5.15.0.1064.64) @ jammy2026-08-30ubuntu
ubuntulinux-tools-azure-fde-7.0 (7.0.0-1009.9) @ resolute2026-08-30ubuntu
ubuntulinux-tools-oracle-lts-22.04 (5.15.0.1109.105) @ jammy2026-08-30ubuntu
ubuntulinux-tools-azure-fde-lts-22.04 (5.15.0.1117.126) @ jammy2026-08-30ubuntu
ubuntulinux-tools-raspi-realtime-7.0 (7.0.0-1015.15) @ resolute2026-08-30ubuntu
ubuntulinux-tools-oracle-edge (5.15.0.1109.115~20.04.1) @ focal2026-08-30ubuntu
ubuntulinux-tools-azure-fips-5.15 (5.15.0.1117.102) @ jammy2026-08-30ubuntu
ubuntulinux-tools-intel-iotg-edge (5.15.0.1107.113~20.04.1) @ focal2026-08-30ubuntu
ubuntulinux-tools-intel-iotg-5.15 (5.15.0.1107.106) @ jammy2026-08-30ubuntu
ubuntulinux-tools-gcp-edge (5.15.0.1112.122~20.04.1) @ focal2026-08-30ubuntu
ubuntulinux-tools-nvidia-hwe-24.04-edge (7.0.0-1016.16) @ resolute2026-08-30ubuntu
ubuntulinux-tools-nvidia-hwe-26.04 (7.0.0-2016.16) @ resolute2026-08-30ubuntu

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 rangeFixed inDependents
linux5.10.103-1 ... 5.10.92-2 (54 versions)5.10.259-1—
linux-6.16.1.106-3~deb11u1 ... 6.1.174-1~deb11u1 (20 versions)6.1.176-1~deb11u1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
linux6.1.106-1 ... 6.1.99-1 (53 versions)6.1.176-1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
linux6.12.38-1 ... 6.12.94-1~bpo12+1 (27 versions)6.12.94-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
linux6.12.100-1 ... 7.0.9-1~bpo13+1 (141 versions)7.0.12-1—

Weakness Classification(1)

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

Additional Vendor Advisories

(19)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 5× in last 7d / 82× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. 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. Most recent first.

Showing the most recent 100 of 310 total refreshes for this CVE.

  1. 2026-09-11 14:53 UTCEPSS rescore
  2. 2026-09-10 09:35 UTCEPSS rescore
  3. 2026-09-08 22:01 UTCEPSS rescore
  4. 2026-09-07 16:01 UTCEPSS rescore
  5. 2026-09-06 13:47 UTCEPSS rescore
  6. 2026-09-04 05:06 UTCEPSS rescore
  7. 2026-09-02 14:12 UTCEPSS rescore
  8. 2026-09-01 13:54 UTCEPSS rescore
  9. 2026-09-01 04:40 UTCEPSS rescore
  10. 2026-08-30 20:22 UTCEG score recompute
  11. 2026-08-30 20:22 UTCVendor advisory
  12. 2026-08-30 20:22 UTCGHSA enrichment
  13. 2026-08-30 19:17 UTCEPSS rescore
  14. 2026-08-30 01:22 UTCEPSS rescore
  15. 2026-08-28 21:41 UTCEPSS rescore
  16. 2026-08-28 04:56 UTCEG score recompute
  17. 2026-08-28 04:56 UTCVendor advisory
  18. 2026-08-28 04:55 UTCGHSA enrichment
  19. 2026-08-27 14:25 UTCEPSS rescore
  20. 2026-08-26 14:46 UTCEPSS rescore
  21. 2026-08-25 13:49 UTCEPSS rescore
  22. 2026-08-25 00:49 UTCEG score recompute
  23. 2026-08-25 00:49 UTCVendor advisory
  24. 2026-08-25 00:48 UTCGHSA enrichment
  25. 2026-08-24 13:52 UTCEG score recompute
Show 75 more
  1. 2026-08-24 13:52 UTCVendor advisory
  2. 2026-08-24 13:52 UTCGHSA enrichment
  3. 2026-08-23 23:15 UTCVendor advisory
  4. 2026-08-23 23:14 UTCGHSA enrichment
  5. 2026-08-23 11:54 UTCVendor advisory
  6. 2026-08-23 11:54 UTCGHSA enrichment
  7. 2026-08-23 00:57 UTCEG score recompute
  8. 2026-08-23 00:57 UTCVendor advisory
  9. 2026-08-23 00:57 UTCGHSA enrichment
  10. 2026-08-23 00:19 UTCEPSS rescore
  11. 2026-08-22 13:21 UTCEG score recompute
  12. 2026-08-22 13:21 UTCVendor advisory
  13. 2026-08-22 13:20 UTCGHSA enrichment
  14. 2026-08-21 23:49 UTCEPSS rescore
  15. 2026-08-21 17:30 UTCVendor advisory
  16. 2026-08-21 17:30 UTCGHSA enrichment
  17. 2026-08-21 05:31 UTCEG score recompute
  18. 2026-08-21 05:31 UTCVendor advisory
  19. 2026-08-21 05:31 UTCGHSA enrichment
  20. 2026-08-20 22:55 UTCEPSS rescore
  21. 2026-08-20 18:34 UTCVendor advisory
  22. 2026-08-20 18:34 UTCGHSA enrichment
  23. 2026-08-20 07:38 UTCEG score recompute
  24. 2026-08-20 07:38 UTCVendor advisory
  25. 2026-08-20 07:37 UTCGHSA enrichment
  26. 2026-08-19 17:04 UTCEPSS rescore
  27. 2026-08-19 14:56 UTCVendor advisory
  28. 2026-08-19 14:56 UTCGHSA enrichment
  29. 2026-08-19 04:00 UTCEG score recompute
  30. 2026-08-19 04:00 UTCVendor advisory
  31. 2026-08-19 03:59 UTCGHSA enrichment
  32. 2026-08-18 13:48 UTCEPSS rescore
  33. 2026-08-17 13:47 UTCEPSS rescore
  34. 2026-08-17 11:07 UTCVendor advisory
  35. 2026-08-17 11:07 UTCGHSA enrichment
  36. 2026-08-17 00:11 UTCEG score recompute
  37. 2026-08-17 00:11 UTCVendor advisory
  38. 2026-08-17 00:11 UTCGHSA enrichment
  39. 2026-08-16 14:56 UTCEPSS rescore
  40. 2026-08-16 13:14 UTCVendor advisory
  41. 2026-08-16 13:14 UTCGHSA enrichment
  42. 2026-08-16 02:18 UTCEG score recompute
  43. 2026-08-16 02:18 UTCVendor advisory
  44. 2026-08-16 02:18 UTCGHSA enrichment
  45. 2026-08-16 02:14 UTCEPSS rescore
  46. 2026-08-15 15:22 UTCVendor advisory
  47. 2026-08-15 15:22 UTCGHSA enrichment
  48. 2026-08-15 04:26 UTCEG score recompute
  49. 2026-08-15 04:26 UTCVendor advisory
  50. 2026-08-15 04:26 UTCGHSA enrichment
  51. 2026-08-15 01:30 UTCEPSS rescore
  52. 2026-08-14 17:28 UTCVendor advisory
  53. 2026-08-14 17:28 UTCGHSA enrichment
  54. 2026-08-14 06:12 UTCEG score recompute
  55. 2026-08-14 06:12 UTCVendor advisory
  56. 2026-08-14 06:12 UTCGHSA enrichment
  57. 2026-08-13 22:00 UTCEPSS rescore
  58. 2026-08-13 19:15 UTCVendor advisory
  59. 2026-08-13 19:15 UTCGHSA enrichment
  60. 2026-08-13 08:19 UTCVendor advisory
  61. 2026-08-13 08:19 UTCGHSA enrichment
  62. 2026-08-12 21:23 UTCEG score recompute
  63. 2026-08-12 21:23 UTCVendor advisory
  64. 2026-08-12 21:23 UTCGHSA enrichment
  65. 2026-08-12 13:51 UTCEPSS rescore
  66. 2026-08-12 10:24 UTCVendor advisory
  67. 2026-08-12 10:24 UTCGHSA enrichment
  68. 2026-08-11 23:27 UTCEG score recompute
  69. 2026-08-11 23:27 UTCVendor advisory
  70. 2026-08-11 23:27 UTCGHSA enrichment
  71. 2026-08-11 12:31 UTCVendor advisory
  72. 2026-08-11 12:31 UTCGHSA enrichment
  73. 2026-08-11 01:35 UTCEG score recompute
  74. 2026-08-11 01:35 UTCVendor advisory
  75. 2026-08-11 01:35 UTCGHSA enrichment

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-52922?
CVE-2026-52922 is a high vulnerability published on June 24, 2026. In the Linux kernel, the following vulnerability has been resolved: batman-adv: dat: handle forward allocation error batadvdatforwarddata() calls pskbcopyforclone() to duplicate an skb for each DHT candidate, but does not check the return value before passing it to…
When was CVE-2026-52922 disclosed?
CVE-2026-52922 was first published in the National Vulnerability Database on June 24, 2026, with the most recent update on August 5, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-52922 actively exploited?
CVE-2026-52922 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 67.6% of all scored CVEs.
What is the CVSS score of CVE-2026-52922?
CVE-2026-52922 has a CVSS v4.0 base score of 7.5 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-52922?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-52922, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-52922

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