#VU90892 Double free in Linux kernel - CVE-2023-52679
Vulnerability identifier: #VU90892
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-415
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 a double free error within the of_unittest_parse_phandle_with_args() and of_unittest_parse_phandle_with_args_map() functions in drivers/of/unittest.c, within the of_parse_phandle_with_args_map() function in drivers/of/base.c. A local user can perform a denial of service (DoS) attack.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Linux kernel: 4.19 - 4.19.305, 5.4 - 5.4.267, 5.10 - 5.10.208, 5.15 - 5.15.147, 6.1 - 6.1.74, 6.6 - 6.6.13, 6.7 - 6.7.1, 6.8 rc1 - 6.8 rc5
External links
https://git.kernel.org/stable/c/26b4d702c44f9e5cf3c5c001ae619a4a001889db
https://git.kernel.org/stable/c/a0a061151a6200c13149dbcdb6c065203c8425d2
https://git.kernel.org/stable/c/d5f490343c77e6708b6c4aa7dbbfbcbb9546adea
https://git.kernel.org/stable/c/4541004084527ce9e95a818ebbc4e6b293ffca21
https://git.kernel.org/stable/c/b9d760dae5b10e73369b769073525acd7b3be2bd
https://git.kernel.org/stable/c/b64d09a4e8596f76d27f4b4a90a1cf6baf6a82f8
https://git.kernel.org/stable/c/cafa992134124e785609a406da4ff2b54052aff7
https://git.kernel.org/stable/c/4dde83569832f9377362e50f7748463340c5db6b
https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.306
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.209
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.148
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.268
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.75
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.14
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.2
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8
Q & A
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?
