#VU99092 Integer overflow in Linux kernel - CVE-2024-49994

Vulnerability identifier: #VU99092

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-2024-49994

CWE-ID: CWE-190

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 overflow within the blk_ioctl_discard() and blk_ioctl_secure_erase() functions in block/ioctl.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/0842ddd83939eb4db940b9af7d39e79722bc41aa
https://git.kernel.org/stable/c/6c9915fa9410cbb9bd75ee283c03120046c56d3d
https://git.kernel.org/stable/c/697ba0b6ec4ae04afb67d3911799b5e2043b4455

---

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.