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CVE-2022-50273

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on destination blkaddr during recovery As Wenqing Liu reported in bugzilla: https://bugzilla.kern…

Published Sep 15, 2025EPSS 0.16%

Overview

CVE-2022-50273 is a medium-severity vulnerability. It was published on September 15, 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:

f2fs: fix to do sanity check on destination blkaddr during recovery

As Wenqing Liu reported in bugzilla:

https://bugzilla.kernel.org/show_bug.cgi?id=216456

loop5: detected capacity change from 0 to 131072

F2FS-fs (loop5): recover_inode: ino = 6, name = hln, inline = 1

F2FS-fs (loop5): recover_data: ino = 6 (i_size: recover) err = 0

F2FS-fs (loop5): recover_inode: ino = 6, name = hln, inline = 1

F2FS-fs (loop5): recover_data: ino = 6 (i_size: recover) err = 0

F2FS-fs (loop5): recover_inode: ino = 6, name = hln, inline = 1

F2FS-fs (loop5): recover_data: ino = 6 (i_size: recover) err = 0

F2FS-fs (loop5): Bitmap was wrongly set, blk:5634

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

WARNING: CPU: 3 PID: 1013 at fs/f2fs/segment.c:2198

RIP: 0010:update_sit_entry+0xa55/0x10b0 [f2fs]

Call Trace:

<TASK>

f2fs_do_replace_block+0xa98/0x1890 [f2fs]

f2fs_replace_block+0xeb/0x180 [f2fs]

recover_data+0x1a69/0x6ae0 [f2fs]

f2fs_recover_

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/0ef4ca04a3f9223ff8bc440041c524b2123e09a3Refgit.kernel.org/stable/c/3a4d24d746866dd45d970bd565ff3886e839366aRefgit.kernel.org/stable/c/68b1e607559d3dc85f94b0d738d7c4e8029b0cfaRefgit.kernel.org/stable/c/73fb4bd2c055a393816f078f158cdd3025006f1dRefgit.kernel.org/stable/c/8f0a47def4722c5fd8d6b9268b5ffed8a249e2dbRefgit.kernel.org/stable/c/ed854f10e6afd5cbd5c3274d4c4df4bfe0ab4362

How CyberStrike helps

Frequently asked questions

What is CVE-2022-50273?

CVE-2022-50273 is a medium-severity vulnerability. It was published on September 15, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-50273?

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-2022-50273?

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-2022-50273?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-50273 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.

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