#VU96174 Integer underflow in Linux kernel - CVE-2024-42316

Vulnerability identifier: #VU96174

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-2024-42316

CWE-ID: CWE-191

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 execute arbitrary code.

The vulnerability exists due to integer underflow within the folio_rotate_reclaimable() function in mm/vmscan.c. A local user can execute arbitrary code.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

---

External links
https://git.kernel.org/stable/c/8de7bf77f21068a5f602bb1e59adbc5ab533509d
https://git.kernel.org/stable/c/d6510f234c7d117790397f9bb150816b0a954a04
https://git.kernel.org/stable/c/a39e38be632f0e1c908d70d1c9cd071c03faf895
https://git.kernel.org/stable/c/8b671fe1a879923ecfb72dda6caf01460dd885ef

---

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.