#VU102968 Buffer overflow in Linux kernel - CVE-2024-57850

Vulnerability identifier: #VU102968

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-57850

CWE-ID: CWE-119

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to memory corruption within the jffs2_rtime_decompress() function in fs/jffs2/compr_rtime.c. A local user can escalate privileges on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

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External links
https://git.kernel.org/stable/c/421f9e9f0fae9f8e721ffa07f22d9765fa1214d5
https://git.kernel.org/stable/c/47c9a7f81027a78afea9d2e9a54bfd8fabb6b3d0
https://git.kernel.org/stable/c/6808a1812a3419542223e7fe9e2de577e99e45d1
https://git.kernel.org/stable/c/bd384b04ad1995441b18fe6c1366d02de8c5d5eb
https://git.kernel.org/stable/c/dc39b08fcc3831b0bc46add91ba93cd2aab50716
https://git.kernel.org/stable/c/f6fc251baefc3cdc4f41f2f5a47940d7d4a67332
https://git.kernel.org/stable/c/fe051552f5078fa02d593847529a3884305a6ffe

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.