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CVE-2026-31530

In the Linux kernel, the following vulnerability has been resolved: cxl/port: Fix use after free of parent_port in cxl_detach_ep() cxl_detach_ep() is called during bottom-up removal when all CXL memory devices beneath a switch port have been removed. For each port in the hierarchy it locks both the port and its parent, removes the endpoint, and if the port is now empty, marks it dead and unregisters the port by calling delete_switch_port(). There are two places during this work where the paren
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c9381237612a4e4485ea567eb6ae718e5ea99f5aa3d0c8b6d16059ded52f191d
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/cxl/core/port.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"d216a4bd138eb57cc4ae7c43b2f709e3482af7e2","status":"affected","version":"2345df54249c6fb7779e2a72b427ee79ed3eaad5","versionType":"git"},{"lessThan":"2c32141462045cf93d54a5146a0ba572b83533dd","status":"affected","version":"2345df54249c6fb7779e2a72b427ee79ed3eaad5","versionType":"git"},{"lessThan":"f7dc6f381a1e5f068333f1faa9265d6af1df4235","status":"affected","version":"2345df54249c6fb7779e2a…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c2c846a6de43bc1449378efa982cf1c08ea9cbe16283d9c53069101f6e178c71 · sha256:698e850d17a42739… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/cxl/core/port.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.3"},{"lessThan":"6.3","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.80","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.21","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.11","versionType":"semver"},{"lessThan…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c2c846a6de43bc1449378efa982cf1c08ea9cbe16283d9c53069101f6e178c71 · sha256:698e850d17a42739… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/cxl/core/port.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"d216a4bd138eb57cc4ae7c43b2f709e3482af7e2","status":"affected","version":"2345df54249c6fb7779e2a72b427ee79ed3eaad5","versionType":"git"},{"lessThan":"2c32141462045cf93d54a5146a0ba572b83533dd","status":"affected","version":"2345df54249c6fb7779e2a72b427ee79ed3eaad5","versionType":"git"},{"lessThan":"f7dc6f381a1e5f068333f1faa9265d6af1df4235","status":"affected","version":"2345df54249c6fb7779e2a…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c2c846a6de43bc1449378efa982cf1c08ea9cbe16283d9c53069101f6e178c71 · sha256:698e850d17a42739… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/cxl/core/port.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.3"},{"lessThan":"6.3","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.80","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.21","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.11","versionType":"semver"},{"lessThan…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c2c846a6de43bc1449378efa982cf1c08ea9cbe16283d9c53069101f6e178c71 · sha256:698e850d17a42739… · /containers/cna/affected/1

Source references

4 source assertions
{"url":"https://git.kernel.org/stable/c/19d2f0b97a131198efc2c4ca3eb7f980bba8c2b4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c2c846a6de43bc1449378efa982cf1c08ea9cbe16283d9c53069101f6e178c71 · sha256:698e850d17a42739… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/2c32141462045cf93d54a5146a0ba572b83533dd"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c2c846a6de43bc1449378efa982cf1c08ea9cbe16283d9c53069101f6e178c71 · sha256:698e850d17a42739… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/d216a4bd138eb57cc4ae7c43b2f709e3482af7e2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c2c846a6de43bc1449378efa982cf1c08ea9cbe16283d9c53069101f6e178c71 · sha256:698e850d17a42739… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/f7dc6f381a1e5f068333f1faa9265d6af1df4235"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c2c846a6de43bc1449378efa982cf1c08ea9cbe16283d9c53069101f6e178c71 · sha256:698e850d17a42739… · /containers/cna/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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