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Description

In the Linux kernel, the following vulnerability has been resolved: ext4: fix memory leak in ext4_ext_shift_extents() In ext4_ext_shift_extents(), if the extent is NULL in the while loop, the function returns immediately without releasing the path obtained via ext4_find_extent(), leading to a memory leak. Fix this by jumping to the out label to ensure the path is properly released.

PUBLISHED Reserved 2026-05-13 | Published 2026-05-27 | Updated 2026-05-27 | Assigner Linux

Product status

Default status
unaffected

a18ed359bdddcded4f97ff5e2f07793ff9336913 (git) before 7e807cb8603b7664fa630a696cd891d9a03c248d
affected

a18ed359bdddcded4f97ff5e2f07793ff9336913 (git) before afc5e61e1a07b2b833bd72cbee36ecce9cd901e2
affected

a18ed359bdddcded4f97ff5e2f07793ff9336913 (git) before 1bce219ee5512cf179ba40cf114945a14a16e21f
affected

a18ed359bdddcded4f97ff5e2f07793ff9336913 (git) before 4a79fde8db7eba7f1128d971ceba4e3c9ac84aec
affected

a18ed359bdddcded4f97ff5e2f07793ff9336913 (git) before 2f4b1052246ca646bb17bfe0f53df2fdf9729b58
affected

a18ed359bdddcded4f97ff5e2f07793ff9336913 (git) before 12615ab4bfb69678e5d961b28bb70040299e51b1
affected

a18ed359bdddcded4f97ff5e2f07793ff9336913 (git) before bd7b52557e4a3ccd7595fdb3a585f1257de57935
affected

a18ed359bdddcded4f97ff5e2f07793ff9336913 (git) before ca81109d4a8f192dc1cbad4a1ee25246363c2833
affected

Default status
affected

3.15
affected

Any version before 3.15
unaffected

5.10.252 (semver)
unaffected

5.15.202 (semver)
unaffected

6.1.165 (semver)
unaffected

6.6.128 (semver)
unaffected

6.12.75 (semver)
unaffected

6.18.14 (semver)
unaffected

6.19.4 (semver)
unaffected

7.0 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/7e807cb8603b7664fa630a696cd891d9a03c248d

git.kernel.org/...c/afc5e61e1a07b2b833bd72cbee36ecce9cd901e2

git.kernel.org/...c/1bce219ee5512cf179ba40cf114945a14a16e21f

git.kernel.org/...c/4a79fde8db7eba7f1128d971ceba4e3c9ac84aec

git.kernel.org/...c/2f4b1052246ca646bb17bfe0f53df2fdf9729b58

git.kernel.org/...c/12615ab4bfb69678e5d961b28bb70040299e51b1

git.kernel.org/...c/bd7b52557e4a3ccd7595fdb3a585f1257de57935

git.kernel.org/...c/ca81109d4a8f192dc1cbad4a1ee25246363c2833

cve.org (CVE-2026-45948)

nvd.nist.gov (CVE-2026-45948)

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