#VU90209 Use-after-free in Linux kernel - CVE-2024-26801
Vulnerability identifier: #VU90209
Vulnerability risk: Low
CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID:
CWE-ID:
CWE-416
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 escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the hci_error_reset() function in net/bluetooth/hci_core.c. A local user can escalate privileges on the system.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Linux kernel: 4.19 - 4.19.308, 5.4 - 5.4.270, 5.10 - 5.10.211, 5.15 - 5.15.150, 6.1 - 6.1.80, 6.6 - 6.6.20, 6.7 - 6.7.8, 6.8 rc1 - 6.8 rc5
External links
https://git.kernel.org/stable/c/e0b278650f07acf2e0932149183458468a731c03
https://git.kernel.org/stable/c/98fb98fd37e42fd4ce13ff657ea64503e24b6090
https://git.kernel.org/stable/c/6dd0a9dfa99f8990a08eb8fdd8e79bee31c7d8e2
https://git.kernel.org/stable/c/da4569d450b193e39e87119fd316c0291b585d14
https://git.kernel.org/stable/c/45085686b9559bfbe3a4f41d3d695a520668f5e1
https://git.kernel.org/stable/c/2ab9a19d896f5a0dd386e1f001c5309bc35f433b
https://git.kernel.org/stable/c/dd594cdc24f2e48dab441732e6dfcafd6b0711d1
https://git.kernel.org/stable/c/2449007d3f73b2842c9734f45f0aadb522daf592
https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.309
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.212
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.151
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.271
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.81
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.21
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.9
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?
