Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-63872

In the Linux kernel, the following vulnerability has been resolved: esp: fix page frag reference leak on skb_to_sgvec failure In esp_output_tail(), when esp->inplace is false, the old skb page frags are replaced with a new page from the xfrm page_frag cache. The source scatterlist (sg) is built from the old frags before the replacement, and esp_ssg_unref() is responsible for releasing the old page references after the crypto operation completes. However, if the second skb_to_sgvec() call (whi
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:9697a71a052767d6525c7c69087da509ffeb2d59428f51f7502781d96e04483d
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":["net/ipv4/esp4.c","net/ipv6/esp6.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"e705b8ff4dd38fb8fe4e6fdc5378a86acea4feb5","status":"affected","version":"cac2661c53f35cbe651bef9b07026a5a05ab8ce0","versionType":"git"},{"lessThan":"2982e599fff6faa21c8df147d96fc7af6c1a2f24","status":"affected","version":"cac2661c53f35cbe651bef9b07026a5a05ab8ce0","versionType":"git"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e7602ec1ef07df5acb522c41aa827def697da29211f324f015f1afc3488bf4ff · sha256:295658657ffb602b… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["net/ipv4/esp4.c","net/ipv6/esp6.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.11"},{"lessThan":"4.11","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.13","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e7602ec1ef07df5acb522c41aa827def697da29211f324f015f1afc3488bf4ff · sha256:295658657ffb602b… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/ipv4/esp4.c","net/ipv6/esp6.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"e705b8ff4dd38fb8fe4e6fdc5378a86acea4feb5","status":"affected","version":"cac2661c53f35cbe651bef9b07026a5a05ab8ce0","versionType":"git"},{"lessThan":"2982e599fff6faa21c8df147d96fc7af6c1a2f24","status":"affected","version":"cac2661c53f35cbe651bef9b07026a5a05ab8ce0","versionType":"git"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e7602ec1ef07df5acb522c41aa827def697da29211f324f015f1afc3488bf4ff · sha256:295658657ffb602b… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["net/ipv4/esp4.c","net/ipv6/esp6.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.11"},{"lessThan":"4.11","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.13","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e7602ec1ef07df5acb522c41aa827def697da29211f324f015f1afc3488bf4ff · sha256:295658657ffb602b… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:e7602ec1ef07df5acb522c41aa827def697da29211f324f015f1afc3488bf4ff · sha256:295658657ffb602b… · /containers/cna/metrics/0/cvssV3_1

Source references

2 source assertions
{"url":"https://git.kernel.org/stable/c/2982e599fff6faa21c8df147d96fc7af6c1a2f24"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e7602ec1ef07df5acb522c41aa827def697da29211f324f015f1afc3488bf4ff · sha256:295658657ffb602b… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/e705b8ff4dd38fb8fe4e6fdc5378a86acea4feb5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e7602ec1ef07df5acb522c41aa827def697da29211f324f015f1afc3488bf4ff · sha256:295658657ffb602b… · /containers/cna/references/0

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.

← Back to CVE Explorer