What is CVE-2022-49162?

CVE-2022-49162 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 2.6.33 onward and patched in 4.9.311, 4.14.276, 4.19.238 and others. CVE-2022-49162 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-49162?

CVE-2022-49162 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2022-49162?

Yes, CVE-2022-49162 has been patched. Fixed versions include 4.9.311, 4.14.276, 4.19.238 and others. If you are running Linux kernel 2.6.33 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-49162 actively exploited?

CVE-2022-49162 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2022-49162

Medium

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: sm712fb: Fix crash in smtcfb_write() When the sm712fb driver writes three bytes to the framebuffer, the driver will crash: BUG: unable to handle page fault for address: ffffc90001ffffff RIP: 0010:smtcfb_write+0x454/0x5b0 Call Trace: vfs_write+0x291/0xd60 ? do_sys_openat2+0x27d/0x350 ? __fget_light+0x54/0x340 ksys_write+0xce/0x190 do_syscall_64+0x43/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae Fix it by removing the open-coded endianness fixup-code.

Package Linux Kernel

Published 2025-02-26

Last modified 2025-10-15

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected versions

Linux kernel versions 2.6.33 and later are affected. Fixed in 4.9.311, 4.14.276, 4.19.238, 5.4.189, 5.10.110, 5.15.33, 5.16.19, 5.17.2, 5.18 and their respective stable series.

Affected from

≥ 2.6.33

Fixed in

✓ 4.9.311 4.9.x ✓ 4.14.276 4.14.x ✓ 4.19.238 4.19.x ✓ 5.4.189 5.4.x ✓ 5.10.110 5.10.x ✓ 5.15.33 5.15.x ✓ 5.16.19 5.16.x ✓ 5.17.2 5.17.x ✓ 5.18

References

The following references provide additional information about CVE-2022-49162 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/0ec746674296c94137f074309c26d17e644c0498
Patch
Kernel patch commit
https://git.kernel.org/stable/c/1aea36a62f0a0ad67eccc945bac0bd6422ef720f
Patch
Kernel patch commit
https://git.kernel.org/stable/c/3b36c05f68ba32d0dfb63abc9016d6fe9117829f
Patch

9 patch commits total View all on NVD

Details

CVE ID CVE-2022-49162

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-02-26

Modified 2025-10-15

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-49162?

CVE-2022-49162 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 2.6.33 onward and has been patched in 4.9.311, 4.14.276, 4.19.238 and others. CVE-2022-49162 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-49162?

CVE-2022-49162 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2022-49162?

Yes — CVE-2022-49162 has been patched. Fixed versions include 4.9.311, 4.14.276, 4.19.238 and others. If you are running Linux kernel 2.6.33 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-49162 actively exploited?

No — CVE-2022-49162 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.