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Vulnerabilities

Vulnerability · CVE-2026-23133

In the Linux kernel, the following vulnerability has been resolved: wifi: ath10k: fix dma_free_coherent() pointer dma_alloc_coherent() allocates a DMA mapped buffer and stores the

Published Feb 14, 2026 · catalog updated Oct 19, 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-2026-23133. EPSS is 0.14%. 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
0.14%
Remediation
Version ranges on file
Affected products
vendor Linux Linux 2a1e1ad3fd37a632b61f50e73dafddb4b0fa57f1 <fc8da65f9fe1bc6802f8240b342cfff4f5c7e841

In the Linux kernel, the following vulnerability has been resolved: wifi: ath10k: fix dma_free_coherent() pointer dma_alloc_coherent() allocates a DMA mapped buffer and stores the addresses in XXX_unaligned fields. Those should be reused when freeing the buffer rather than the aligned addresses.

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 2a1e1ad3fd37a632b61f50e73dafddb4b0fa57f1 <fc8da65f9fe1bc6802f8240b342cfff4f5c7e8412a1e1ad3fd37a632b61f50e73dafddb4b0fa57f1 <fc8da65f9fe1bc6802f8240b342cfff4f5c7e841

How to fix CVE-2026-23133

  • Upgrade

    CVE-2026-23133 lists a fix boundary at fc8da65f9fe1bc6802f8240b342cfff4f5c7e841. Compare the installed build with that boundary before you change production.

  • Version check

    Seen in 2a1e1ad3fd37a632b61f50e73dafddb4b0fa57f1 <fc8da65f9fe1bc6802f8240b342cfff4f5c7e841

  • 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-2026-23133. EPSS is 0.14%. Act only if a listed version of Linux Linux is installed.

Which versions are affected?

Compare what you have installed with Linux Linux 2a1e1ad3fd37a632b61f50e73dafddb4b0fa57f1 <fc8da65f9fe1bc6802f8240b342cfff4f5c7e841 2a1e1ad3fd37a632b61f50e73dafddb4b0fa57f1 <fc8da65f9fe1bc6802f8240b342cfff4f5c7e841. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.14%. 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: wifi: ath10k: fix dma_free_coherent() pointer dma_alloc_coherent() allocates a DMA mapped buffer and stores the addresses in XXX_unaligned fields. Those should be reused when freeing the buffer rather than the aligned addresses.

  2. Oct 19, 2026 · EUVD

    Updated

    In the Linux kernel, the following vulnerability has been resolved: wifi: ath10k: fix dma_free_coherent() pointer dma_alloc_coherent() allocates a DMA mapped buffer and stores the addresses in XXX_unaligned fields. Those should be reused when freeing the buffer rather than the aligned addresses.

Sources

  • CVE.orgVulnerability recordCVE-2026-23133

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-23133

    30-day exploitation probability 0.14%

    first.org
  • EUVDVulnerability recordEUVD-2026-5905

    In the Linux kernel, the following vulnerability has been resolved: wifi: ath10k: fix dma_free_coherent() pointer dma_alloc_coherent() allocates a DMA mapped buffer and stores the addresses in XXX_unaligned fields. Those should be reused when freeing the buffer rather than the al

    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