Medium severity · published Feb 8, 2024
CVE-2024-1312
Kernel: race condition leads to use after free during vma lock in lock_vma_under_rcu
4.7
CVSS
0.2%
EPSS
No
On KEV
Description
A use-after-free flaw was found in the Linux kernel's Memory Management subsystem when a user wins two races at the same time with a fail in the mas_prev_slot function. This issue could allow a local user to crash the system.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 14% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
before 6.5; 6.5; 6.5; 6.5 · source: vendor, NVD
FE
Fedora · Fedoraproject
39 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-1312
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-1312
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2024-1312
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2225569
Mailing List
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/mm/memory.c?h=v6.8-rc3&id=657b5146955eba331e01b9a6ae89ce2e716ba306
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