CVE-2021-45469 — Out-of-bounds Read in Linux
Severity
7.8HIGHNVD
OSV6.5
EPSS
0.1%
top 79.31%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedDec 23
Latest updateApr 13
Description
In __f2fs_setxattr in fs/f2fs/xattr.c in the Linux kernel through 5.15.11, there is an out-of-bounds memory access when an inode has an invalid last xattr entry.
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
Affected Packages10 packages
Also affects: Debian Linux 10.0, 11.0, 9.0, Fedora 34, 35
Patches
🔴Vulnerability Details
4📋Vendor Advisories
5Microsoft▶
In __f2fs_setxattr in fs/f2fs/xattr.c in the Linux kernel through 5.15.11 there is an out-of-bounds memory access when an inode has an invalid last xattr entry.↗2021-12-14
Red Hat▶
kernel: out-of-bounds memory access in __f2fs_setxattr() in fs/f2fs/xattr.c when an inode has an invalid last xattr entry↗2021-12-06
Debian▶
CVE-2021-45469: linux - In __f2fs_setxattr in fs/f2fs/xattr.c in the Linux kernel through 5.15.11, there...↗2021