CVE-2026-45948
ext4: fix memory leak in ext4_ext_shift_extents()
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
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.
Timeline
- CVE published
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
3.15
References 8
git.kernel.org
- stable/c/7e807cb8603b7664fa630a696cd891d9a03c248d
- stable/c/afc5e61e1a07b2b833bd72cbee36ecce9cd901e2
- stable/c/1bce219ee5512cf179ba40cf114945a14a16e21f
- stable/c/4a79fde8db7eba7f1128d971ceba4e3c9ac84aec
- stable/c/2f4b1052246ca646bb17bfe0f53df2fdf9729b58
- stable/c/12615ab4bfb69678e5d961b28bb70040299e51b1
- stable/c/bd7b52557e4a3ccd7595fdb3a585f1257de57935
- stable/c/ca81109d4a8f192dc1cbad4a1ee25246363c2833