7.1

CVE-2026-81007: linux

CVSS: 7.1v3.1HighReceived
AliasesUBUNTU-CVE-2026-81007DEBIAN-CVE-2026-81007
Published 11-09-2026Last modified 19-10-2026

Vulnerability summary

CVE-2026-81007 is a high (CVSS 7.1) vulnerability in linux. EPSS estimates a 0.13% chance of exploitation in the next 30 days, higher than 2% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.1/10
010
High · v3.1 (CVE.org)
EPSS score
0.13%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1

Timeline

  1. 11-09-2026
    PublishedVulnerability first disclosed.
  2. 19-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: ipmi: ipmb: validate write message length ipmb_write() read message fields before validating the length byte. A zero or short write can read uninitialized stack bytes. A length smaller than the SMBus header underflows the block write length. Require a non-empty buffer and the minimum IPMB request length. Also require the length byte plus payload before parsing the message.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.13%

Chance of exploitation in the next 30 days

Percentile

2%

Versus all other CVEs

30-day change

0.00 pp

From 0.13% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.13%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu165 products
  • linuxAll versions (No fix recorded)
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian2 products
  • linuxAll versions (No fix recorded) | < 6.1.190-1 | < 6.12.111-1 | < 7.2.6-1
  • linux-6.12< 6.12.111-1~deb12u1
Linux1 product
  • linux≥ 51bd6f291583684f495ea498984dfc22049d7fd2, < 8990c7f6bfc1e7689b7012a7d4d0efb9f07a9c89 | ≥ 51bd6f291583684f495ea498984dfc22049d7fd2, < 94f8d20153e348c79bc14dc25f873470518892da | ≥ 51bd6f291583684f495ea498984dfc22049d7fd2, < e527cd4e80066e1ed070fdc7c705bde340cdcc62 | ≥ 51bd6f291583684f495ea498984dfc22049d7fd2, < 7d66d54b974cff0a959e188af844d2d110422767 | ≥ 51bd6f291583684f495ea498984dfc22049d7fd2, < 60939bcda6f3f104ef456fdbf3cc5733c0720fb1 | ≥ 51bd6f291583684f495ea498984dfc22049d7fd2, < 5719431ca2b5fa26560bb38f6202f8b97fa3bbb0 | ≥ 51bd6f291583684f495ea498984dfc22049d7fd2, < a84c6e3d188f2c6e674910929eb790634299d6d5 | ≥ 51bd6f291583684f495ea498984dfc22049d7fd2, < 53637506884dbd5c91a89b1a3547d99d80f8ed2c | 5.3

3 vendors · 168 products

References

12 links
Show all 12 references