Buffer overflow in Linux kernel hisilicon sec2 driver

1) Buffer overflow

EUVDB-ID: #VU104915

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-2022-49260

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory corruption within the sec_aead_soft_crypto() function in drivers/crypto/hisilicon/sec2/sec_crypto.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

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:*:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/0a2a464f863187f97e96ebc6384c052cafd4a54c
https://git.kernel.org/stable/c/40dba7c26e897c637e91312b35f664f1d4d0073c
https://git.kernel.org/stable/c/5c1149e2abe0b7489300736b8277b45b113de67f
https://git.kernel.org/stable/c/ef7b10f3cac7810ddcfd976304fd125aca33d144

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.