CVE-2024-49924

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: fbdev: pxafb: Fix possible use after free in pxafb_task() In the pxafb_probe function, it calls the pxafb_init_fbinfo function, after which &fbi->task is associated with pxafb_task. Moreover, within this pxafb_init_fbinfo function, the pxafb_blank function within the &pxafb_ops struct is capable of scheduling work. If we remove the module which will call pxafb_remove to make cleanup, it will call unregister_framebuffer function which can call do_unregister_framebuffer to free fbi->fb through put_fb_info(fb_info), while the...

Affected product and versions

Product

Linux Linux, debian linux, linux kernel

Affected versions

>= 9f17f2874834f4cdbe48cc05676d8f7558793204 < e657fa2df4429f3805a9b3e47fb1a4a1b02a72bd, >= 9f17f2874834f4cdbe48cc05676d8f7558793204 < 6d0a07f68b66269e167def6c0b90a219cd3e7473, >= 9f17f2874834f4cdbe48cc05676d8f7558793204 < e6897e299f57b103e999e62010b88e363b3eebae, >= 9f17f2874834f4cdbe48cc05676d8f7558793204 < 4cda484e584be34d55ee17436ebf7ad11922b97a, >= 9f17f2874834f4cdbe48cc05676d8f7558793204 < 3c0d416eb4bef705f699213cee94bf54b6acdacd, >= 9f17f2874834f4cdbe48cc05676d8f7558793204 < fdda354f60a576d52dcf90351254714681df4370, >= 9f17f2874834f4cdbe48cc05676d8f7558793204 < aaadc0cb05c999ccd8898a03298b7e5c31509b08, >= 9f17f2874834f4cdbe48cc05676d8f7558793204 < a3a855764dbacbdb1cc51e15dc588f2d21c93e0e, >= 9f17f2874834f4cdbe48cc05676d8f7558793204 < 4a6921095eb04a900e0000da83d9475eb958e61e, >= 2.6.27, 11.0, >= 2.6.27 < 4.19.323, >= 4.20 < 5.4.285, >= 5.5 < 5.10.227, >= 5.11 < 5.15.168, >= 5.16 < 6.1.113, >= 6.2 < 6.6.55, >= 6.7 < 6.10.14, >= 6.11 < 6.11.3

Fixed versions

4.19.323, 5.4.285, 5.10.227, 5.15.168, 6.1.113, 6.6.55, 6.10.14, 6.11.3

Technical data

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-416