#VU100623 NULL pointer dereference in Linux kernel - CVE-2024-50273
Vulnerability identifier: #VU100623
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-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 insert_delayed_ref() function in fs/btrfs/delayed-ref.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 - 4.19.323, 5.4 - 5.4.285, 5.10 - 5.10.229, 5.15 - 5.15.171, 6.1 - 6.1.116, 6.6 - 6.6.60, 6.11 - 6.11.7
External links
https://git.kernel.org/stable/c/2fd0948a483e9cb2d669c7199bc620a21c97673d
https://git.kernel.org/stable/c/93c5b8decc0ef39ba84f4211d2db6da0a4aefbeb
https://git.kernel.org/stable/c/bf0b0c6d159767c0d1c21f793950d78486690ee0
https://git.kernel.org/stable/c/c24fa427fc0ae827b2a3a07f13738cbf82c3f851
https://git.kernel.org/stable/c/2cb1a73d1d44a1c11b0ee5eeced765dd80ec48e6
https://git.kernel.org/stable/c/f04be6d68f715c1473a8422fc0460f57b5e99931
https://git.kernel.org/stable/c/50a3933760b427759afdd23156a7280a19357a92
https://git.kernel.org/stable/c/c9a75ec45f1111ef530ab186c2a7684d0a0c9245
https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.324
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.230
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.172
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.286
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.117
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.8
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.61
Q & A
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?
