#VU90197 Use-after-free in Linux kernel - CVE-2024-26898

Vulnerability identifier: #VU90197

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-2024-26898

CWE-ID: CWE-416

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 a use-after-free error within the tx() function in drivers/block/aoe/aoenet.c, within the aoecmd_cfg_pkts() function in drivers/block/aoe/aoecmd.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/ad80c34944d7175fa1f5c7a55066020002921a99
https://git.kernel.org/stable/c/1a54aa506b3b2f31496731039e49778f54eee881
https://git.kernel.org/stable/c/faf0b4c5e00bb680e8e43ac936df24d3f48c8e65
https://git.kernel.org/stable/c/7dd09fa80b0765ce68bfae92f4e2f395ccf0fba4
https://git.kernel.org/stable/c/74ca3ef68d2f449bc848c0a814cefc487bf755fa
https://git.kernel.org/stable/c/eb48680b0255a9e8a9bdc93d6a55b11c31262e62
https://git.kernel.org/stable/c/079cba4f4e307c69878226fdf5228c20aa1c969c
https://git.kernel.org/stable/c/a16fbb80064634b254520a46395e36b87ca4731e
https://git.kernel.org/stable/c/f98364e926626c678fb4b9004b75cacf92ff0662

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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.