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CVE-2026-52971

In the Linux kernel, the following vulnerability has been resolved: net: ena: PHC: Fix potential use-after-free in get_timestamp Move the phc->active check and resp pointer assignment to after acquiring the spinlock. Previously, phc->active was checked without holding the lock, and resp was cached from ena_dev->phc.virt_addr before the lock was acquired. If ena_com_phc_destroy() runs between the lockless active check and the lock acquisition, it sets active=false, releases the lock, frees the
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:eedcd8c216c8ced23d0e568639b875448e85392d681c4f73938a8efecbe5e0b2
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":"affected","product":"Linux","programFiles":["drivers/net/ethernet/amazon/ena/ena_com.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.17"},{"lessThan":"6.17","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.33","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_c…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e7b6a3ec8cefb71d905b60c7903a7a70d088811303248c548bd80f9ff2ebd79f · sha256:7ad6d604ba4c5766… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/ethernet/amazon/ena/ena_com.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"95e8ae9af2a61b4e72f5c585bf4c7d8aaf2a2c98","status":"affected","version":"e0ea34158ee8c4f7536cd781010339ff28c0d24c","versionType":"git"},{"lessThan":"ca9ed40f28949353911dcb524ff8fff2f3409c97","status":"affected","version":"e0ea34158ee8c4f7536cd781010339ff28c0d24c","versionType":"git"},{"lessThan":"e42c755582f0960e684298762f0ab927b3778376","status":"affected","version":"e0ea…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e7b6a3ec8cefb71d905b60c7903a7a70d088811303248c548bd80f9ff2ebd79f · sha256:7ad6d604ba4c5766… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/ethernet/amazon/ena/ena_com.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.17"},{"lessThan":"6.17","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.33","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_c…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e7b6a3ec8cefb71d905b60c7903a7a70d088811303248c548bd80f9ff2ebd79f · sha256:7ad6d604ba4c5766… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/ethernet/amazon/ena/ena_com.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"95e8ae9af2a61b4e72f5c585bf4c7d8aaf2a2c98","status":"affected","version":"e0ea34158ee8c4f7536cd781010339ff28c0d24c","versionType":"git"},{"lessThan":"ca9ed40f28949353911dcb524ff8fff2f3409c97","status":"affected","version":"e0ea34158ee8c4f7536cd781010339ff28c0d24c","versionType":"git"},{"lessThan":"e42c755582f0960e684298762f0ab927b3778376","status":"affected","version":"e0ea…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e7b6a3ec8cefb71d905b60c7903a7a70d088811303248c548bd80f9ff2ebd79f · sha256:7ad6d604ba4c5766… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:e7b6a3ec8cefb71d905b60c7903a7a70d088811303248c548bd80f9ff2ebd79f · sha256:7ad6d604ba4c5766… · /containers/cna/metrics/0/cvssV3_1

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/95e8ae9af2a61b4e72f5c585bf4c7d8aaf2a2c98"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e7b6a3ec8cefb71d905b60c7903a7a70d088811303248c548bd80f9ff2ebd79f · sha256:7ad6d604ba4c5766… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/ca9ed40f28949353911dcb524ff8fff2f3409c97"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e7b6a3ec8cefb71d905b60c7903a7a70d088811303248c548bd80f9ff2ebd79f · sha256:7ad6d604ba4c5766… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/e42c755582f0960e684298762f0ab927b3778376"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e7b6a3ec8cefb71d905b60c7903a7a70d088811303248c548bd80f9ff2ebd79f · sha256:7ad6d604ba4c5766… · /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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