CVE-2022-50485Reliance on a Single Factor in a Security Decision in Linux

Severity
5.5MEDIUMNVD
EPSS
0.0%
top 97.11%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedOct 4

Description

In the Linux kernel, the following vulnerability has been resolved: ext4: add EXT4_IGET_BAD flag to prevent unexpected bad inode There are many places that will get unhappy (and crash) when ext4_iget() returns a bad inode. However, if iget the boot loader inode, allows a bad inode to be returned, because the inode may not be initialized. This mechanism can be used to bypass some checks and cause panic. To solve this problem, we add a special iget flag EXT4_IGET_BAD. Only with this flag we'd be

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 Packages4 packages

NVDlinux/linux_kernel3.105.4.229+4
Debianlinux/linux_kernel< 5.10.178-1+3
CVEListV5linux/linux393d1d1d76933886d5e1ce603214c9987589c6d52142dfa1de61e25b83198af0308ec7689cca25d3+6
debiandebian/linux< linux 6.1.4-1 (bookworm)

Patches

🔴Vulnerability Details

2
GHSA
GHSA-7gg4-pr88-8256: In the Linux kernel, the following vulnerability has been resolved: ext4: add EXT4_IGET_BAD flag to prevent unexpected bad inode There are many plac2025-10-04
OSV
CVE-2022-50485: In the Linux kernel, the following vulnerability has been resolved: ext4: add EXT4_IGET_BAD flag to prevent unexpected bad inode There are many places2025-10-04

📋Vendor Advisories

2
Red Hat
kernel: ext4: add EXT4_IGET_BAD flag to prevent unexpected bad inode2025-10-04
Debian
CVE-2022-50485: linux - In the Linux kernel, the following vulnerability has been resolved: ext4: add E...2022