CVE-2024-1312: fedora Use-After-Free — Fix

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.

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CVSS v3.1 Score

5.1

MEDIUM

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

Weakness Type (CWE)

CWE-416 Use After Free

Affected Products

Vendor	Product	Versions
linux	linux_kernel	< 6.5
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All
fedoraproject	fedora	All

References

Advisories & Patches

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/mm/memory.c?h=v6.8-rc3&id=657b5146955eba331e01b9a6ae89ce2e716ba306 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/mm/memory.c?h=v6.8-rc3&id=657b5146955eba331e01b9a6ae89ce2e716ba306

Other References

https://access.redhat.com/security/cve/CVE-2024-1312 https://bugzilla.redhat.com/show_bug.cgi?id=2225569 https://access.redhat.com/security/cve/CVE-2024-1312 https://bugzilla.redhat.com/show_bug.cgi?id=2225569

Frequently Asked Questions

What is CVE-2024-1312? +

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. It has a CVSS v3.1 base score of 5.1 (MEDIUM).

How severe is CVE-2024-1312? +

CVE-2024-1312 has a CVSS v3.1 score of 5.1 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-1312? +

CVE-2024-1312 affects products from fedoraproject, linux, specifically: fedora, linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-1312? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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