Medium severity5.5NVD Advisory· Published May 27, 2026· Updated Jun 16, 2026
CVE-2026-45948
CVE-2026-45948
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
10cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 8 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=3.15.1,<5.10.252
- cpe:2.3:o:linux:linux_kernel:3.15:-:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.15:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.15:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.15:rc5:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.15:rc6:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.15:rc7:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.15:rc8:*:*:*:*:*:*
- (no CPE)
Patches
Vulnerability mechanics
References
8- git.kernel.org/stable/c/12615ab4bfb69678e5d961b28bb70040299e51b1nvdPatch
- git.kernel.org/stable/c/1bce219ee5512cf179ba40cf114945a14a16e21fnvdPatch
- git.kernel.org/stable/c/2f4b1052246ca646bb17bfe0f53df2fdf9729b58nvdPatch
- git.kernel.org/stable/c/4a79fde8db7eba7f1128d971ceba4e3c9ac84aecnvdPatch
- git.kernel.org/stable/c/7e807cb8603b7664fa630a696cd891d9a03c248dnvdPatch
- git.kernel.org/stable/c/afc5e61e1a07b2b833bd72cbee36ecce9cd901e2nvdPatch
- git.kernel.org/stable/c/bd7b52557e4a3ccd7595fdb3a585f1257de57935nvdPatch
- git.kernel.org/stable/c/ca81109d4a8f192dc1cbad4a1ee25246363c2833nvdPatch
News mentions
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