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CVE-2026-64132

In the Linux kernel, the following vulnerability has been resolved: ipv6: ioam: refresh hdr pointer before ioam6_event() Reported by Sashiko: In ipv6_hop_ioam(), the hdr pointer is initialized to point into the skb's linear data buffer. Later, the code calls skb_ensure_writable(), which might reallocate the buffer: if (skb_ensure_writable(skb, optoff + 2 + hdr->opt_len)) goto drop; /* Trace pointer may have changed */ trace = (struct ioam6_trace_hdr *)(skb_network_header(skb) +
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:e6194608ad2952d06ddc0507c9ea4563f42ff331f6e2fb14df2b03395d6017b7
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/ipv6/exthdrs.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"769723124b7c3b2bfea4cf68ad292698b87c8d01","status":"affected","version":"f655c78d6225f585ef60a9d93ffb79d507ff3ad3","versionType":"git"},{"lessThan":"24de676da63c1122d2c13b0d546238b66d1b4e62","status":"affected","version":"f655c78d6225f585ef60a9d93ffb79d507ff3ad3","versionType":"git"},{"lessThan":"5af905aa8e91ff8d94572a1e089558f21dcf24ed","status":"affected","version":"f655c78d6225f585ef60a9d93ff…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7f903be9d2a8d2b1be1c636c067633abd6cd6da33db00d294e97bbd7716d97de · sha256:11eef37466011383… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["net/ipv6/exthdrs.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.9"},{"lessThan":"6.9","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.92","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.34","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.11","versionType":"semver"},{"lessThanOrEqual…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7f903be9d2a8d2b1be1c636c067633abd6cd6da33db00d294e97bbd7716d97de · sha256:11eef37466011383… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/ipv6/exthdrs.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"769723124b7c3b2bfea4cf68ad292698b87c8d01","status":"affected","version":"f655c78d6225f585ef60a9d93ffb79d507ff3ad3","versionType":"git"},{"lessThan":"24de676da63c1122d2c13b0d546238b66d1b4e62","status":"affected","version":"f655c78d6225f585ef60a9d93ffb79d507ff3ad3","versionType":"git"},{"lessThan":"5af905aa8e91ff8d94572a1e089558f21dcf24ed","status":"affected","version":"f655c78d6225f585ef60a9d93ff…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7f903be9d2a8d2b1be1c636c067633abd6cd6da33db00d294e97bbd7716d97de · sha256:11eef37466011383… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["net/ipv6/exthdrs.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.9"},{"lessThan":"6.9","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.92","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.34","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.11","versionType":"semver"},{"lessThanOrEqual…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7f903be9d2a8d2b1be1c636c067633abd6cd6da33db00d294e97bbd7716d97de · sha256:11eef37466011383… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":9.8,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/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:v2:7f903be9d2a8d2b1be1c636c067633abd6cd6da33db00d294e97bbd7716d97de · sha256:11eef37466011383… · /containers/cna/metrics/0/cvssV3_1

Source references

4 source assertions
{"url":"https://git.kernel.org/stable/c/24de676da63c1122d2c13b0d546238b66d1b4e62"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7f903be9d2a8d2b1be1c636c067633abd6cd6da33db00d294e97bbd7716d97de · sha256:11eef37466011383… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/5af905aa8e91ff8d94572a1e089558f21dcf24ed"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7f903be9d2a8d2b1be1c636c067633abd6cd6da33db00d294e97bbd7716d97de · sha256:11eef37466011383… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/769723124b7c3b2bfea4cf68ad292698b87c8d01"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7f903be9d2a8d2b1be1c636c067633abd6cd6da33db00d294e97bbd7716d97de · sha256:11eef37466011383… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/e46e6bc97fb1f339730ff1ba74267fbf48e7a422"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7f903be9d2a8d2b1be1c636c067633abd6cd6da33db00d294e97bbd7716d97de · sha256:11eef37466011383… · /containers/cna/references/3

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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