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CVE-2024-1312

16
FAUCET Score

CVE-2024-1312 is a use-after-free vulnerability in the Linux kernel's Memory Management subsystem, specifically affecting Fedora and other Linux kernel versions. This flaw can be triggered by a local user winning two simultaneous races within the mas_prev_slot function. With a CVSS score of 4.7 (MEDIUM), the vulnerability has high attack complexity and requires local access, but could lead to a system crash. There is currently no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE match
cpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
< 6.5CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
6.5CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:6.5:rc1:*:*:*:*:*:*
6.5CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:6.5:rc2:*:*:*:*:*:*
6.5CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:6.5:rc3:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.1MEDIUM

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.4
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.23%
Probability of exploitation in next 30 days
EPSS Percentile
13.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0023 is in the 55th percentile among its peer group of 1,297 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

microsoftpatch availablevia msrc
Product: 16960-16823Fixed in: 5.15.148.2-2
microsoftpatch availablevia msrc
Product: 19673-17086Fixed in: 5.15.148.2-2
microsoftpatch availablevia msrc
Product: 17095-17086Fixed in: 5.15.148.2-2
microsoftpatch availablevia msrc
Product: cbl2 kernel 5.15.148.2-2 on CBL Mariner 2.0Fixed in: 5.15.148.2-2
microsoftpatch availablevia msrc
Product: cbl2 kernel 5.15.180.1-1 on CBL Mariner 2.0Fixed in: 5.15.148.2-2

Vendor Advisories (2)

microsoft2024-Feb/CVE-2024-1312Moderate

Kernel: race condition leads to use after free during vma lock in lock_vma_under_rcu

Feb 13, 2024
redhatCVE-2024-1312Moderate

kernel: Race condition leads to use after free during VMA lock in lock_vma_under_rcu

Jul 26, 2023

References

access.redhat.com / security/cve/CVE-2024-1312
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
git.kernel.org / pub/scm/linux/kernel/git/torvalds/linux.git/commit/mm/memory.c
Mailing ListPatch