Go to homepageCyberStrike

Menu

Star on GitHub · 3.2k
Sign inDownload

CVE-2022-49347

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bug_on in ext4_writepages we got issue as follows: EXT4-fs error (device loop0): ext4_mb_generate_buddy:1141: group 0…

Published Feb 26, 2025CWE-617EPSS 0.29%

Overview

CVE-2022-49347 is a medium-severity vulnerability. It was published on February 26, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

ext4: fix bug_on in ext4_writepages

we got issue as follows:

EXT4-fs error (device loop0): ext4_mb_generate_buddy:1141: group 0, block bitmap and bg descriptor inconsistent: 25 vs 31513 free cls

------------[ cut here ]------------

kernel BUG at fs/ext4/inode.c:2708!

invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI

CPU: 2 PID: 2147 Comm: rep Not tainted 5.18.0-rc2-next-20220413+ #155

RIP: 0010:ext4_writepages+0x1977/0x1c10

RSP: 0018:ffff88811d3e7880 EFLAGS: 00010246

RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff88811c098000

RDX: 0000000000000000 RSI: ffff88811c098000 RDI: 0000000000000002

RBP: ffff888128140f50 R08: ffffffffb1ff6387 R09: 0000000000000000

R10: 0000000000000007 R11: ffffed10250281ea R12: 0000000000000001

R13: 00000000000000a4 R14: ffff88811d3e7bb8 R15: ffff888128141028

FS: 00007f443aed9740(0000) GS:ffff8883aef00000(0000) knlGS:0000000000000000

CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033

CR2

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/013f12bdedb96816aaa27ee04349f4433d361f52Refgit.kernel.org/stable/c/18a759f7f99f0b65a08ff5b7e745fc405a42bde4Refgit.kernel.org/stable/c/19918ec7717d87d5ab825884a46b26b21375d7ceRefgit.kernel.org/stable/c/1b061af037646c9cdb0afd8a8d2f1e1c06285866Refgit.kernel.org/stable/c/1cde35417edc0370fb0179a4e38b78a15350a8d0Refgit.kernel.org/stable/c/73fd5b19285197078ee8a2e651d75d5b094a4de9Refgit.kernel.org/stable/c/b2b78f5bf2d453dda3903955efee059260787a42Refgit.kernel.org/stable/c/de1732b5c1693ad489c5d254f124f67cb775f37dRefgit.kernel.org/stable/c/ef09ed5d37b84d18562b30cf7253e57062d0db05

How CyberStrike helps

Frequently asked questions

What is CVE-2022-49347?

CVE-2022-49347 is a medium-severity vulnerability. It was published on February 26, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-49347?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-49347?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-49347?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-49347 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

Related MEDIUM CVEs from 2022

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999