CVE - CVE-2023-53091

CVE-ID
CVE-2023-53091	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
In the Linux kernel, the following vulnerability has been resolved: ext4: update s_journal_inum if it changes after journal replay When mounting a crafted ext4 image, s_journal_inum may change after journal replay, which is obviously unreasonable because we have successfully loaded and replayed the journal through the old s_journal_inum. And the new s_journal_inum bypasses some of the checks in ext4_get_journal(), which may trigger a null pointer dereference problem. So if s_journal_inum changes after the journal replay, we ignore the change, and rewrite the current journal_inum to the superblock.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/3039d8b8692408438a618fac2776b629852663c3 URL:https://git.kernel.org/stable/c/3039d8b8692408438a618fac2776b629852663c3 MISC:https://git.kernel.org/stable/c/499fef2030fb754c68b1c7cb3a799a3bc1d0d925 URL:https://git.kernel.org/stable/c/499fef2030fb754c68b1c7cb3a799a3bc1d0d925 MISC:https://git.kernel.org/stable/c/70e66bdeae4d0f7c8e87762f425b68aedd5e8955 URL:https://git.kernel.org/stable/c/70e66bdeae4d0f7c8e87762f425b68aedd5e8955 MISC:https://git.kernel.org/stable/c/ee0c5277d4fab920bd31345c49e193ecede9ecef URL:https://git.kernel.org/stable/c/ee0c5277d4fab920bd31345c49e193ecede9ecef
Assigning CNA
kernel.org
Date Record Created
20250502	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20250502)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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