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Vulnerabilities

Vulnerability · CVE-2026-23165

In the Linux kernel, the following vulnerability has been resolved: sfc: fix deadlock in RSS config read Since cited commit, core locks the net_device's rss_lock when handling etht

Published Feb 14, 2026 · catalog updated May 11, 2026 · Linux Linux

Last checked Nov 5, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-23165. EPSS is 0.09%. Act only if a listed version of Linux Linux is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
None0.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.09%
Remediation
Version ranges on file
Affected products
vendor Linux Linux 040cef30b5e67271e3193e0206f82b206fc97095 <590c8179ffb01c17644181408821b55b8704c50c

In the Linux kernel, the following vulnerability has been resolved: sfc: fix deadlock in RSS config read Since cited commit, core locks the net_device's rss_lock when handling ethtool -x command, so driver's implementation should not lock it again. Remove the latter.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Linux Linux 040cef30b5e67271e3193e0206f82b206fc97095 <590c8179ffb01c17644181408821b55b8704c50c040cef30b5e67271e3193e0206f82b206fc97095 <590c8179ffb01c17644181408821b55b8704c50c

How to fix CVE-2026-23165

  • Upgrade

    CVE-2026-23165 lists a fix boundary at 590c8179ffb01c17644181408821b55b8704c50c. Compare the installed build with that boundary before you change production.

  • Version check

    Seen in 040cef30b5e67271e3193e0206f82b206fc97095 <590c8179ffb01c17644181408821b55b8704c50c

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-23165. EPSS is 0.09%. Act only if a listed version of Linux Linux is installed.

Which versions are affected?

Compare what you have installed with Linux Linux 040cef30b5e67271e3193e0206f82b206fc97095 <590c8179ffb01c17644181408821b55b8704c50c 040cef30b5e67271e3193e0206f82b206fc97095 <590c8179ffb01c17644181408821b55b8704c50c. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.09%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 14, 2026 · EUVD

    Detected

    In the Linux kernel, the following vulnerability has been resolved: sfc: fix deadlock in RSS config read Since cited commit, core locks the net_device's rss_lock when handling ethtool -x command, so driver's implementation should not lock it again. Remove the latter.

  2. May 11, 2026 · EUVD

    Updated

    In the Linux kernel, the following vulnerability has been resolved: sfc: fix deadlock in RSS config read Since cited commit, core locks the net_device's rss_lock when handling ethtool -x command, so driver's implementation should not lock it again. Remove the latter.

Sources

  • CVE.orgVulnerability recordCVE-2026-23165

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-23165

    30-day exploitation probability 0.09%

    first.org
  • EUVDVulnerability recordEUVD-2026-5875

    In the Linux kernel, the following vulnerability has been resolved: sfc: fix deadlock in RSS config read Since cited commit, core locks the net_device's rss_lock when handling ethtool -x command, so driver's implementation should not lock it again. Remove the latter.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 5, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 5, 2026
  • CVE.orgNov 4, 2026
  • EUVDNov 2, 2026