CVE-2026-72098

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-15. A secondary CVSS source baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — Patch released this week
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.7%CVSS: 9.8Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

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

dm-verity: fix buffer overflow in FEC calculation

There's a buffer overflow in dm-verity-fec:

if (neras && *neras <= v->fec->roots) fio->erasures[(*neras)++] = i;

This allows *neras to reach roots + 1 (the post-increment pushes it past roots). This value is then passed as no_eras to decode_rs8(). Inside the RS decoder (lib/reed_solomon/decode_rs.c:113-121), the erasure locator polynomial loop writes lambda[j] where j can reach nroots + 1 — one element past the end of lambda[] (which is sized nroots + 1, valid indices 0..nroots). The out-of-bounds write lands on syn[0], corrupting the syndrome buffer.

CVSS v3
9.8
EG Score
9.8CRITICALmedium confidence
EG Risk
49
EG Risk 49/100CISA SSVC

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
Severity98% × 45%
Exploitation1% × 40%
Automatability30% × 15%
CISA SSVC: Track at low or medium mission impact; Track* or Attend at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
0.7%
EPSS %ILE
49th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* or Attend at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact total (CVSS ≥ 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 15, 2026

Last Modified

August 17, 2026

Advisory Details (3)

Auto-updated Oct 5, 2026
Patch available.
generic

dm-verity: fix buffer overflow in FEC calculation - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/f7990c2b0f08b8841fcd2652d1d7002f5994a7a7
generic

dm-verity: fix buffer overflow in FEC calculation - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/5488d3a69d205e28f74f18857b853aa12e778e66
generic

dm-verity: fix buffer overflow in FEC calculation - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/31d6e6c0ba8d5a7bd59660035a089307100c5e8e

Vendor Advisories for CVE-2026-72098(5)

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

Patch Availability(11)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
ubuntulinux-virtual-hwe-26.04-edge (7.0.0-34.34) @ resolute2026-10-05ubuntu
ubuntulinux-tools-oem-7.0 (7.0.0-1014.14) @ resolute2026-10-05ubuntu
ubuntulinux-tools-oracle-edge (7.0.0-1012.12~24.04.1) @ noble2026-10-05ubuntu
ubuntulinux-tools-gke-hwe-26.04 (7.0.0-1007.8) @ resolute2026-10-05ubuntu
ubuntulinux-tools-nvidia-tegra-rt-6.8 (6.8.0-1035.38) @ noble2026-10-05ubuntu
redhatkernel-0:5.14.0-570.146.1.el9_62026-10-01redhat
redhatkernel-0:5.14.0-427.153.1.el9_42026-09-30redhat
redhatkernel-rt-0:4.18.0-553.163.1.rt7.504.el8_102026-09-15redhat
redhatkernel-0:4.18.0-553.163.1.el8_102026-09-15redhat
redhatkernel-0:5.14.0-687.47.1.el9_82026-09-14redhat
redhatkernel-0:6.12.0-211.53.1.el10_22026-09-08redhat

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

(3 across 3 ecosystems)
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
linux6.1.106-1 ... 7.2~rc7-1~exp1 (358 versions)
  • every version on: no fix on record
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
linux6.12.100-1 ... 7.2~rc7-1~exp1 (181 versions)
  • every version on: no fix on record
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
linux6.12.100-1 ... 7.1~rc7-1~exp1 (160 versions)
  • every version up to 7.1.5-1: fixed in 7.1.5-1
—

Additional Vendor Advisories

(8)

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 51× in last 7d / 290× 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 444 total refreshes for this CVE.

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

Related CVEs(same vendor)

Frequently asked(5)

What is CVE-2026-72098?
CVE-2026-72098 is a critical vulnerability published on August 15, 2026. In the Linux kernel, the following vulnerability has been resolved: dm-verity: fix buffer overflow in FEC calculation There's a buffer overflow in dm-verity-fec: if (neras && *neras <= v->fec->roots) fio->erasures[(*neras)++] = i; This allows *neras to reach roots + 1 (the post-increment pushes it…
When was CVE-2026-72098 disclosed?
CVE-2026-72098 was first published on August 15, 2026, with the most recent update on August 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-72098 actively exploited?
CVE-2026-72098 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.7% probability of exploitation in the next 30 days (49th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-72098?
CVE-2026-72098 has a CVSS base score of 9.8 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-72098?
A fix for CVE-2026-72098 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-72098 are linked in the Vendor Advisories panel on this page.

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