#VU90279 Out-of-bounds read in Linux kernel - CVE-2023-52755
Vulnerability identifier: #VU90279
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-125
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 an out-of-bounds read error within the fs/ksmbd/smbacl.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, 5.15.80, 5.15.81, 5.15.82, 5.15.83, 5.15.84, 5.15.85, 5.15.86, 5.15.87, 5.15.88, 5.15.89, 5.15.90, 5.15.91, 5.15.92, 5.15.93, 5.15.94, 5.15.95, 5.15.96, 5.15.97, 5.15.98, 5.15.99, 5.15.100, 5.15.101, 5.15.102, 5.15.103, 5.15.104, 5.15.105, 5.15.106, 5.15.107, 5.15.108, 5.15.109, 5.15.110, 5.15.111, 5.15.112, 5.15.113, 5.15.114, 5.15.115, 5.15.116, 5.15.117, 5.15.118, 5.15.119, 5.15.120, 5.15.121, 5.15.122, 5.15.123, 5.15.124, 5.15.125, 5.15.126, 5.15.127, 5.15.128, 5.15.129, 5.15.130, 5.15.131, 5.15.132, 5.15.133, 5.15.134, 5.15.135, 5.15.136, 5.15.137, 5.15.138, 5.15.139, 6.1, 6.1 rc1, 6.1 rc3, 6.1 rc7, 6.1.1, 6.1.2, 6.1.3, 6.1.4, 6.1.5, 6.1.6, 6.1.7, 6.1.8, 6.1.9, 6.1.10, 6.1.11, 6.1.12, 6.1.13, 6.1.14, 6.1.15, 6.1.16, 6.1.17, 6.1.18, 6.1.19, 6.1.20, 6.1.21, 6.1.22, 6.1.23, 6.1.24, 6.1.25, 6.1.26, 6.1.27, 6.1.28, 6.1.29, 6.1.30, 6.1.31, 6.1.32, 6.1.33, 6.1.34, 6.1.35, 6.1.36, 6.1.37, 6.1.38, 6.1.39, 6.1.40, 6.1.41, 6.1.42, 6.1.43, 6.1.44, 6.1.45, 6.1.46, 6.1.47, 6.1.48, 6.1.49, 6.1.50, 6.1.51, 6.1.52, 6.1.53, 6.1.54, 6.1.55, 6.1.56, 6.1.57, 6.1.58, 6.1.59, 6.1.60, 6.1.61, 6.1.62, 6.1.63, 6.5, 6.5 rc1, 6.5 rc5, 6.5 rc7, 6.5.1, 6.5.2, 6.5.3, 6.5.4, 6.5.5, 6.5.6, 6.5.7, 6.5.8, 6.5.9, 6.5.10, 6.5.11, 6.5.12, 6.6, 6.6 rc1, 6.6 rc2, 6.6 rc3, 6.6 rc4, 6.6 rc5, 6.6 rc6, 6.6.1, 6.6.2, 6.7 rc1, 6.7 rc2, 6.7 rc3, 6.7 rc5, 6.7 rc6, 6.7 rc7
External links
https://git.kernel.org/stable/c/aaf0a07d60887d6c36fc46a24de0083744f07819
https://git.kernel.org/stable/c/8387c94d73ec66eb597c7a23a8d9eadf64bfbafa
https://git.kernel.org/stable/c/09d9d8b40a3338193619c14ed4dc040f4f119e70
https://git.kernel.org/stable/c/712e01f32e577e7e48ab0adb5fe550646a3d93cb
https://git.kernel.org/stable/c/eebff19acaa35820cb09ce2ccb3d21bee2156ffb
https://www.zerodayinitiative.com/advisories/ZDI-24-996/
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.140
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.64
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.13
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.3
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7
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.
