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Description

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid potential buffer over-read in parse_apply_sb_mount_options() Unlike other strings in the ext4 superblock, we rely on tune2fs to make sure s_mount_opts is NUL terminated. Harden parse_apply_sb_mount_options() by treating s_mount_opts as a potential __nonstring.

PUBLISHED Reserved 2025-04-16 | Published 2025-11-12 | Updated 2025-12-01 | Assigner Linux

Product status

Default status
unaffected

8b67f04ab9de5d8f3a71aef72bf02c995a506db5 (git) before 7bf46ff83a0ef11836e38ebd72cdc5107209342d
affected

8b67f04ab9de5d8f3a71aef72bf02c995a506db5 (git) before b2bac84fde28fb6a88817b8b761abda17a1d300b
affected

8b67f04ab9de5d8f3a71aef72bf02c995a506db5 (git) before e651294218d2684302ee5ed95ccf381646f3e5b4
affected

8b67f04ab9de5d8f3a71aef72bf02c995a506db5 (git) before 01829af7656b56d83682b3491265d583d502e502
affected

8b67f04ab9de5d8f3a71aef72bf02c995a506db5 (git) before 2a0cf438320cdb783e0378570744c0ef0d83e934
affected

8b67f04ab9de5d8f3a71aef72bf02c995a506db5 (git) before a6e94557cd05adc82fae0400f6e17745563e5412
affected

8b67f04ab9de5d8f3a71aef72bf02c995a506db5 (git) before 8ecb790ea8c3fc69e77bace57f14cf0d7c177bd8
affected

Default status
affected

2.6.36
affected

Any version before 2.6.36
unaffected

5.4.301 (semver)
unaffected

5.10.246 (semver)
unaffected

6.1.158 (semver)
unaffected

6.6.114 (semver)
unaffected

6.12.54 (semver)
unaffected

6.17.4 (semver)
unaffected

6.18 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/7bf46ff83a0ef11836e38ebd72cdc5107209342d

git.kernel.org/...c/b2bac84fde28fb6a88817b8b761abda17a1d300b

git.kernel.org/...c/e651294218d2684302ee5ed95ccf381646f3e5b4

git.kernel.org/...c/01829af7656b56d83682b3491265d583d502e502

git.kernel.org/...c/2a0cf438320cdb783e0378570744c0ef0d83e934

git.kernel.org/...c/a6e94557cd05adc82fae0400f6e17745563e5412

git.kernel.org/...c/8ecb790ea8c3fc69e77bace57f14cf0d7c177bd8

cve.org (CVE-2025-40198)

nvd.nist.gov (CVE-2025-40198)

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