#VU108205 Memory leak in Linux kernel - CVE-2022-49787
Vulnerability identifier: #VU108205
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:
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 amd_probe() function in drivers/mmc/host/sdhci-pci-core.c. A local user can perform a denial of service (DoS) attack.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Linux kernel: 5.15, 5.15 rc1, 5.15 rc2, 5.15 rc3, 5.15 rc4, 5.15 rc5, 5.15 rc6, 5.15 rc7, 5.15.0, 5.15.1, 5.15.2, 5.15.3, 5.15.4, 5.15.5, 5.15.6, 5.15.7, 5.15.8, 5.15.9, 5.15.10, 5.15.11, 5.15.12, 5.15.13, 5.15.14, 5.15.15, 5.15.16, 5.15.17, 5.15.18, 5.15.19, 5.15.20, 5.15.21, 5.15.22, 5.15.23, 5.15.24, 5.15.25, 5.15.26, 5.15.27, 5.15.28, 5.15.29, 5.15.30, 5.15.31, 5.15.32, 5.15.33, 5.15.34, 5.15.35, 5.15.36, 5.15.37, 5.15.38, 5.15.39, 5.15.40, 5.15.41, 5.15.42, 5.15.43, 5.15.44, 5.15.45, 5.15.46, 5.15.47, 5.15.48, 5.15.49, 5.15.50, 5.15.51, 5.15.52, 5.15.53, 5.15.54, 5.15.55, 5.15.56, 5.15.57, 5.15.58, 5.15.59, 5.15.60, 5.15.61, 5.15.62, 5.15.63, 5.15.64, 5.15.65, 5.15.66, 5.15.67, 5.15.68, 5.15.69, 5.15.70, 5.15.71, 5.15.72, 5.15.73, 5.15.74, 5.15.75, 5.15.76, 5.15.77, 5.15.78, 5.15.79
External links
https://git.kernel.org/stable/c/222cfa0118aa68687ace74aab8fdf77ce8fbd7e6
https://git.kernel.org/stable/c/27f712cd47d65e14cd52cc32a23d42aeef583d5d
https://git.kernel.org/stable/c/35bca18092685b488003509fef7055aa2d4f2ebc
https://git.kernel.org/stable/c/4423866d31a06a810db22062ed13389416a66b22
https://git.kernel.org/stable/c/5dbd6378dbf96787d6dbcca44156c511ae085ea3
https://git.kernel.org/stable/c/7570e5b5419ffd34b6dc45a88c51e113a9a187e3
https://git.kernel.org/stable/c/a99a547658e5d451f01ed307426286716b6f01bf
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.80
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.
