5.5

CVE-2026-23145: linux

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2026-23145DEBIAN-CVE-2026-23145
Published 14-02-2026Last modified 19-10-2026
Open JSON

Vulnerability summary

CVE-2026-23145 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.14% chance of exploitation in the next 30 days, higher than 3.2% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.14%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 39 · Related 37
MGASA-2026-0097MGASA-2026-0098OPENSUSE-SU-2026:20416-1SUSE-SU-2026:0962-1SUSE-SU-2026:1081-1SUSE-SU-2026:20667-1

Timeline

  1. 14-02-2026
    PublishedVulnerability first disclosed.
  2. 19-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: ext4: fix iloc.bh leak in ext4_xattr_inode_update_ref The error branch for ext4_xattr_inode_update_ref forget to release the refcount for iloc.bh. Find this when review code.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.14%

Chance of exploitation in the next 30 days

Percentile

3%

Versus all other CVEs

30-day change

+0.02 pp

From 0.13% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.14%

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

Affected systems

Ubuntu134 products
  • linux< 5.15.0-176.186 | < 6.8.0-117.117 | All versions (No fix recorded)
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.15.0-1105.112 | < 6.8.0-1055.58 | All versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 1cfb3e4ddbdc8e02e637b8852540bd4718bf4814, < 7c9f059c3d531a12d7ad96cd34a44b8af7c00d5f | ≥ 505e69f76ac497e788f4ea0267826ec7266b40c8, < 6241cd1d0acc2363016ac55b8773ba1332dd59d7 | ≥ 3d6269028246f4484bfed403c947a114bb583631, < 3b00c16e42428a1ecd3a5eb9cc37f8ad9bd47626 | ≥ 79ea7f3e11effe1bd9e753172981d9029133a278, < 0b06cde92f2f960f4ebe3c988c69f2711f2a24dc | ≥ 6b879c4c6bbaab03c0ad2a983953bd1410bb165e, < 8e8542c539927ae3898a4d02941f84e252e2dea1 | ≥ 57295e835408d8d425bef58da5253465db3d6888, < 06e26287f2e349a28ad363941ffd9076bfed8b2e | ≥ 57295e835408d8d425bef58da5253465db3d6888, < d250bdf531d9cd4096fedbb9f172bb2ca660c868 | ea39e712c2f5ae148ee5515798ae03523673e002 | 440b003f449a4ff2a00b08c8eab9ba5cd28f3943 | ≥ 5.10.246, < 5.10.249 | ≥ 5.15.195, < 5.15.199 | ≥ 6.1.157, < 6.1.162 | ≥ 6.6.113, < 6.6.122 | ≥ 6.12.54, < 6.12.67 | ≥ 5.4.301, < 5.5 | ≥ 6.17.4, < 6.18 | 6.18
  • linux_kernel≥ 5.4.301, < 5.5 | ≥ 5.10.246, < 5.10.249 | ≥ 5.15.195, < 5.15.199 | ≥ 6.1.157, < 6.1.162 | ≥ 6.6.113, < 6.6.122 | ≥ 6.12.54, < 6.12.67 | ≥ 6.17.4, < 6.18.7 | 6.19:rc1 | 6.19:rc2 | 6.19:rc3 | 6.19:rc4 | 6.19:rc5
Debian1 product
  • linux< 6.1.162-1 | < 6.12.69-1 | < 6.18.8-1

3 vendors · 137 products

References

38 links
Show all 38 references