CVE-2024-42063 — Use of Uninitialized Resource in Linux
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 91.39%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJul 29
Latest updateDec 12
Description
In the Linux kernel, the following vulnerability has been resolved:
bpf: Mark bpf prog stack with kmsan_unposion_memory in interpreter mode
syzbot reported uninit memory usages during map_{lookup,delete}_elem.
BUG: KMSAN: uninit-value in __dev_map_lookup_elem kernel/bpf/devmap.c:441 [inline]
BUG: KMSAN: uninit-value in dev_map_lookup_elem+0xf3/0x170 kernel/bpf/devmap.c:796
__dev_map_lookup_elem kernel/bpf/devmap.c:441 [inline]
dev_map_lookup_elem+0xf3/0x170 kernel/bpf/devmap.c:796
____bpf_map…
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6
Affected Packages6 packages
▶CVEListV5linux/linuxbd4cf0ed331a275e9bf5a49e6d0fd55dffc551b8 — b30f3197a6cd080052d5d4973f9a6b479fd9fff5+4