CVE-2022-49524

In the Linux kernel, the following vulnerability has been resolved:

media: pci: cx23885: Fix the error handling in cx23885_initdev()

When the driver fails to call the dma_set_mask(), the driver will get
the following splat:

[   55.853884] BUG: KASAN: use-after-free in __process_removed_driver+0x3c/0x240
[   55.854486] Read of size 8 at addr ffff88810de60408 by task modprobe/590
[   55.856822] Call Trace:
[   55.860327]  __process_removed_driver+0x3c/0x240
[   55.861347]  bus_for_each_dev+0x102/0x160
[   55.861681]  i2c_del_driver+0x2f/0x50

This is because the driver has initialized the i2c related resources
in cx23885_dev_setup() but not released them in error handling, fix this
bug by modifying the error path that jumps after failing to call the
dma_set_mask().
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
LinuxCNA
---
---
CISA-ADPADP
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 4%
VendorProductVersion
linuxlinux_kernel
𝑥
< 4.14.283
linuxlinux_kernel
4.15 ≤
𝑥
< 4.19.247
linuxlinux_kernel
4.20 ≤
𝑥
< 5.4.198
linuxlinux_kernel
5.5 ≤
𝑥
< 5.10.121
linuxlinux_kernel
5.11 ≤
𝑥
< 5.15.46
linuxlinux_kernel
5.16 ≤
𝑥
< 5.17.14
linuxlinux_kernel
5.18 ≤
𝑥
< 5.18.3
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bullseye
5.10.223-1
fixed
bullseye (security)
5.10.234-1
fixed
bookworm
6.1.123-1
fixed
bookworm (security)
6.1.128-1
fixed
trixie
6.12.12-1
fixed
sid
6.12.16-1
fixed