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CVE-2026-53249

In the Linux kernel, the following vulnerability has been resolved: ipv4: restrict IPOPT_SSRR and IPOPT_LSRR options This patch restricts setting Loose Source and Record Route (LSRR) and Strict Source and Record Route (SSRR) IP options to users with CAP_NET_RAW capability. This prevents unprivileged applications from forcing packets to route through attacker-controlled nodes to leak TCP ISN and possibly other protocol information. While LSRR and SSRR are commonly filtered in many network env
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:95bb388d36c90a9399c4d29fd114b84ece67f69401c6d1b5a2508b1c32a9ccb1
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/ip_options.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"4cd6e9ed49347d3a2fdaaf07e32fb524756dddc2","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"2a87c3e8f03ce655ed0ef500d64d5fd924ec3691","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"89343ff12b3178fc236fe531a3603e7c97c68278","status":"affected","version":"1da177e4c3f41524e886b7f1…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8dd90244cca875b7e045fde434de3e5d56b14784e329182932bb3b7729877a06 · sha256:3388e0e64486283c… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["net/ipv4/ip_options.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.12"},{"lessThan":"2.6.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.259","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"semver"},{"les…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8dd90244cca875b7e045fde434de3e5d56b14784e329182932bb3b7729877a06 · sha256:3388e0e64486283c… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/ipv4/ip_options.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"4cd6e9ed49347d3a2fdaaf07e32fb524756dddc2","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"2a87c3e8f03ce655ed0ef500d64d5fd924ec3691","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"89343ff12b3178fc236fe531a3603e7c97c68278","status":"affected","version":"1da177e4c3f41524e886b7f1…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8dd90244cca875b7e045fde434de3e5d56b14784e329182932bb3b7729877a06 · sha256:3388e0e64486283c… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["net/ipv4/ip_options.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.12"},{"lessThan":"2.6.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.259","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"semver"},{"les…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8dd90244cca875b7e045fde434de3e5d56b14784e329182932bb3b7729877a06 · sha256:3388e0e64486283c… · /containers/cna/affected/1

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/00e8845fe3428c69e980dce5071cb3da1d8f7578"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8dd90244cca875b7e045fde434de3e5d56b14784e329182932bb3b7729877a06 · sha256:3388e0e64486283c… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/28f5ad1b4055405eb1616e603fe511ba5e3725e7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8dd90244cca875b7e045fde434de3e5d56b14784e329182932bb3b7729877a06 · sha256:3388e0e64486283c… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/2a87c3e8f03ce655ed0ef500d64d5fd924ec3691"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8dd90244cca875b7e045fde434de3e5d56b14784e329182932bb3b7729877a06 · sha256:3388e0e64486283c… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/4cd6e9ed49347d3a2fdaaf07e32fb524756dddc2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8dd90244cca875b7e045fde434de3e5d56b14784e329182932bb3b7729877a06 · sha256:3388e0e64486283c… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/89343ff12b3178fc236fe531a3603e7c97c68278"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8dd90244cca875b7e045fde434de3e5d56b14784e329182932bb3b7729877a06 · sha256:3388e0e64486283c… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/8ff85dbabbbfb05e86e6cde31d91ac5782179d4d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8dd90244cca875b7e045fde434de3e5d56b14784e329182932bb3b7729877a06 · sha256:3388e0e64486283c… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/a4f3fd6516920988c47ba8d19714985c40c816a1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8dd90244cca875b7e045fde434de3e5d56b14784e329182932bb3b7729877a06 · sha256:3388e0e64486283c… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/d3915a1f5a4bc0ac911032903c3c6ab8df9fcc7c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8dd90244cca875b7e045fde434de3e5d56b14784e329182932bb3b7729877a06 · sha256:3388e0e64486283c… · /containers/cna/references/7

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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