rxrpc: Fix conn-level packet handling to unshare RESPONSE packets

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Summary

CVECVE-2026-46000
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-27 14:17:17 UTC
Updated2026-05-27 14:48:03 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix conn-level packet handling to unshare RESPONSE packets The security operations that verify the RESPONSE packets decrypt bits of it in place - however, the sk_buff may be shared with a packet sniffer, which would lead to the sniffer seeing an apparently corrupt packet (actually decrypted). Fix this by handing a copy of the packet off to the specific security handler if the packet was cloned.

Risk And Classification

EPSS: 0.000180000 probability, percentile 0.050770000 (date 2026-06-01)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 17926a79320afa9b95df6b977b40cca6d8713cea c0428a22daf69714dc042b67ea759956b74c74e5 git Not specified
CNA Linux Linux affected 17926a79320afa9b95df6b977b40cca6d8713cea 98a2046d155f73f6cf5d2c493c5e09b4963e2e12 git Not specified
CNA Linux Linux affected 17926a79320afa9b95df6b977b40cca6d8713cea ca71ac2de389b01eecdc48bfafbdf073ec232044 git Not specified
CNA Linux Linux affected 17926a79320afa9b95df6b977b40cca6d8713cea d9b93a0f57ca5f6831bfaa34014b6cd705564a00 git Not specified
CNA Linux Linux affected 17926a79320afa9b95df6b977b40cca6d8713cea 24481a7f573305706054c59e275371f8d0fe919f git Not specified
CNA Linux Linux affected 2.6.22 Not specified
CNA Linux Linux unaffected 2.6.22 semver Not specified
CNA Linux Linux unaffected 6.6.140 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.88 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.27 6.18.* semver Not specified
CNA Linux Linux unaffected 7.0.4 7.0.* semver Not specified
CNA Linux Linux unaffected 7.1-rc1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/24481a7f573305706054c59e275371f8d0fe919f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/98a2046d155f73f6cf5d2c493c5e09b4963e2e12 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/ca71ac2de389b01eecdc48bfafbdf073ec232044 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/d9b93a0f57ca5f6831bfaa34014b6cd705564a00 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/c0428a22daf69714dc042b67ea759956b74c74e5 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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