CVE-2024-42305 — Out-of-bounds Read in Linux
Severity
5.5MEDIUMNVD
OSV8.8OSV7.1
EPSS
0.0%
top 95.06%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedAug 17
Latest updateJan 9
Description
In the Linux kernel, the following vulnerability has been resolved:
ext4: check dot and dotdot of dx_root before making dir indexed
Syzbot reports a issue as follows:
BUG: unable to handle page fault for address: ffffed11022e24fe
PGD 23ffee067 P4D 23ffee067 PUD 0
Oops: Oops: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 PID: 5079 Comm: syz-executor306 Not tainted 6.10.0-rc5-g55027e689933 #0
Call Trace:
make_indexed_dir+0xdaf/0x13c0 fs/ext4/namei.c:2341
ext4_add_entry+0x222a/0x25d0 fs/ext4/namei.c:24…
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/linuxac27a0ec112a089f1a5102bc8dffc79c8c815571 — b80575ffa98b5bb3a5d4d392bfe4c2e03e9557db+8