CVE-2024-46798 — Use After Free in Linux
Severity
7.8HIGHNVD
OSV8.8OSV7.1OSV5.5
EPSS
0.0%
top 92.95%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedSep 18
Latest updateAug 14
Description
In the Linux kernel, the following vulnerability has been resolved:
ASoC: dapm: Fix UAF for snd_soc_pcm_runtime object
When using kernel with the following extra config,
- CONFIG_KASAN=y
- CONFIG_KASAN_GENERIC=y
- CONFIG_KASAN_INLINE=y
- CONFIG_KASAN_VMALLOC=y
- CONFIG_FRAME_WARN=4096
kernel detects that snd_pcm_suspend_all() access a freed
'snd_soc_pcm_runtime' object when the system is suspended, which
leads to a use-after-free bug:
[ 52.047746] BUG: KASAN: use-after-free in snd_pcm_suspe…
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9