#VU103269 Memory leak in Linux kernel - CVE-2024-57947

Vulnerability identifier: #VU103269

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-57947

CWE-ID: CWE-401

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 perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the nft_pipapo_avx2_lookup_slow() function in net/netfilter/nft_set_pipapo_avx2.c, within the nft_pipapo_lookup() and pipapo_get() functions in net/netfilter/nft_set_pipapo.c. A local user can perform a denial of service (DoS) attack.

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/69b6a67f7052905e928d75a0c5871de50e686986
https://git.kernel.org/stable/c/791a615b7ad2258c560f91852be54b0480837c93
https://git.kernel.org/stable/c/8058c88ac0df21239daee54b5934d5c80ca9685f
https://git.kernel.org/stable/c/957a4d1c4c5849e4515c9fb4db21bf85318103dc
https://git.kernel.org/stable/c/9625c46ce6fd4f922595a4b32b1de5066d70464f

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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.