SARA / Free Tools / CVE / CVE-2022-49977

CVE-2022-49977 — In the Linux kernel, the following vulnerability has been resolved:

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

CVSS

7.8 HIGH

EPSS

0.22% (top 87.50%)

CWE

—

Published

2025-06-18T11:15:25.120

Last modified

2026-08-04T10:18:01.660

CVSS vector

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

01What is this vulnerability?

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

No structured affected-product list available — see references below for vendor advisories.

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

Patch to a fixed version listed in the vendor advisory (see references below).
Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
Hunt historical logs for exploitation indicators — see Detection signatures below.

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

git.kernel.org — https://git.kernel.org/stable/c/4c34a2a6c9927c239dd2e295a03d49b37b618d2c
git.kernel.org — https://git.kernel.org/stable/c/8569b4ada1e0b9bfaa125bd0c0967918b6560fa2
git.kernel.org — https://git.kernel.org/stable/c/934e49f7d696afdae9f979abe3f308408184e17b
git.kernel.org — https://git.kernel.org/stable/c/c3b0f72e805f0801f05fa2aa52011c4bfc694c44
git.kernel.org — https://git.kernel.org/stable/c/d81bd6671f45fde4c3ac7fd7733c6e3082ae9d8e
git.kernel.org — https://git.kernel.org/stable/c/dbd8c8fc60480e3faa3ae7e27ebe03371ecd1b77
git.kernel.org — https://git.kernel.org/stable/c/ddffe882d74ef43a3494f0ab0c24baf076c45f96
git.kernel.org — https://git.kernel.org/stable/c/e4ae97295984ff1b9b340ed18ae1b066f36b7835

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