#VU100073 NULL pointer dereference in Linux kernel - CVE-2024-50156
Vulnerability identifier: #VU100073
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: CVE-2024-50156
CWE-ID:
CWE-476
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 NULL pointer dereference within the msm_disp_state_dump_regs() and msm_disp_state_print() functions in drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.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, 5.15.140, 5.15.141, 5.15.142, 5.15.143, 5.15.144, 5.15.145, 5.15.146, 5.15.147, 5.15.148, 5.15.149, 5.15.150, 5.15.151, 5.15.152, 5.15.153, 5.15.154, 5.15.155, 5.15.156, 5.15.157, 5.15.158, 5.15.159, 5.15.160, 5.15.161, 5.15.162, 5.15.163, 5.15.164, 5.15.165, 5.15.166, 5.15.167, 5.15.168, 5.15.169, 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, 6.1.64, 6.1.65, 6.1.66, 6.1.67, 6.1.68, 6.1.69, 6.1.70, 6.1.71, 6.1.72, 6.1.73, 6.1.74, 6.1.75, 6.1.76, 6.1.77, 6.1.78, 6.1.79, 6.1.80, 6.1.81, 6.1.82, 6.1.83, 6.1.84, 6.1.85, 6.1.86, 6.1.87, 6.1.88, 6.1.89, 6.1.90, 6.1.91, 6.1.92, 6.1.93, 6.1.94, 6.1.95, 6.1.96, 6.1.97, 6.1.98, 6.1.99, 6.1.100, 6.1.101, 6.1.102, 6.1.103, 6.1.104, 6.1.105, 6.1.106, 6.1.107, 6.1.108, 6.1.109, 6.1.110, 6.1.111, 6.1.112, 6.1.113, 6.1.114, 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, 6.6.3, 6.6.4, 6.6.5, 6.6.6, 6.6.7, 6.6.8, 6.6.9, 6.6.10, 6.6.11, 6.6.12, 6.6.13, 6.6.14, 6.6.15, 6.6.16, 6.6.17, 6.6.18, 6.6.19, 6.6.20, 6.6.21, 6.6.22, 6.6.23, 6.6.24, 6.6.25, 6.6.26, 6.6.27, 6.6.28, 6.6.29, 6.6.30, 6.6.31, 6.6.32, 6.6.33, 6.6.34, 6.6.35, 6.6.36, 6.6.37, 6.6.38, 6.6.39, 6.6.40, 6.6.41, 6.6.42, 6.6.43, 6.6.44, 6.6.45, 6.6.46, 6.6.47, 6.6.48, 6.6.49, 6.6.50, 6.6.51, 6.6.52, 6.6.53, 6.6.54, 6.6.55, 6.6.56, 6.6.57, 6.6.58, 6.11, 6.11.1, 6.11.2, 6.11.3, 6.11.4, 6.11.5
External links
https://git.kernel.org/stable/c/42cf045086feae77b212f0f66e742b91a5b566b7
https://git.kernel.org/stable/c/e8e9f2a12a6214080c8ea83220a596f6e1dedc6c
https://git.kernel.org/stable/c/f7ad916273483748582d97cfa31054ccb19224f3
https://git.kernel.org/stable/c/563aa81fd66a4e7e6e551a0e02bcc23957cafe2f
https://git.kernel.org/stable/c/293f53263266bc4340d777268ab4328a97f041fa
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.170
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.115
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.6
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.59
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.
