7.5

CVE-2025-68349: NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid

Deferred
AliasesUBUNTU-CVE-2025-68349DEBIAN-CVE-2025-68349
Published 24-12-2025Last modified 15-10-2026

Vulnerability summary

CVE-2025-68349 is a high (CVSS 7.5) vulnerability in linux. EPSS estimates a 0.71% chance of exploitation in the next 30 days, higher than 53.6% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 7.5 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 1% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.71%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 64 · Related 45
DLA-4475-1DLA-4476-1DSA-6127-1OPENSUSE-SU-2026:10039-1OPENSUSE-SU-2026:10301-1OPENSUSE-SU-2026:20287-1

Timeline

  1. 24-12-2025
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid Fixes a crash when layout is null during this call stack: write_inode -> nfs4_write_inode -> pnfs_layoutcommit_inode pnfs_set_layoutcommit relies on the lseg refcount to keep the layout around. Need to clear NFS_INO_LAYOUTCOMMIT otherwise we might attempt to reference a null layout.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.71%

Chance of exploitation in the next 30 days

Percentile

54%

Versus all other CVEs

30-day change

Increase +0.02 pp

From 0.69% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu155 products
  • linuxAll versions (No fix recorded) | < 5.15.0-173.183 | < 6.8.0-110.110 | < 6.17.0-19.19
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1103.110 | < 6.8.0-1052.55 | < 6.17.0-1009.9
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 6.1.162-1 | < 6.12.63-1 | < 6.17.13-1
Linux1 product
  • linux≥ fe1cf9469d7bcb6af27e42eb555a41b0135bce4a, < 084bebe82ad86f718a3af84f34761863e63164ed | ≥ fe1cf9469d7bcb6af27e42eb555a41b0135bce4a, < b6e4e3a08c03200cc4b8067ec8ab3172a989d6fc | ≥ fe1cf9469d7bcb6af27e42eb555a41b0135bce4a, < 104080582ae0aa6dce6c6d75ff89062efe84673b | ≥ fe1cf9469d7bcb6af27e42eb555a41b0135bce4a, < f718f9ea6094843b8c059b073af49ad61e9f49bb | ≥ fe1cf9469d7bcb6af27e42eb555a41b0135bce4a, < 59947dff0fb7c19c09ce6dccbcd253fd542b6c25 | ≥ fe1cf9469d7bcb6af27e42eb555a41b0135bce4a, < ca2e7fdad7c683b64821c94a58b9b68733214dad | ≥ fe1cf9469d7bcb6af27e42eb555a41b0135bce4a, < 38694f9aae00459ab443a7dc8b3949a6b33b560a | ≥ fe1cf9469d7bcb6af27e42eb555a41b0135bce4a, < e0f8058f2cb56de0b7572f51cd563ca5debce746 | 4.10

3 vendors · 157 products

References

44 links
Show all 44 references