{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46010","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-13T15:03:33.092Z","datePublished":"2026-05-27T12:56:11.456Z","dateUpdated":"2026-08-05T12:29:07.239Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-08-05T12:29:07.239Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix error handling in rxgk_extract_token()\n\nFix a missing bit of error handling in rxgk_extract_token(): in the event\nthat rxgk_decrypt_skb() returns -ENOMEM, it should just return that rather\nthan continuing on (for anything else, it generates an abort)."}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":8.1,"baseSeverity":"HIGH"},"scenarios":[{"lang":"en","value":"AV:N - rxrpc is a UDP-based network protocol; the bug is in server-side processing of an RxGK RESPONSE packet received from a remote peer, fully reachable over the network.\nAC:H - The vulnerable fall-through is reachable only when the crypto decrypt path returns -ENOMEM (a kernel allocation failure); for all other errors the code correctly aborts, and an attacker cannot reliably force this allocation to fail.\nPR:N - This runs during the RxGK security challenge/response handshake, before the peer is authenticated, so no privileges or credentials are required.\nUI:N - The server processes incoming RESPONSE packets automatically; no victim interaction is needed.\nS:U - Impact is confined to the kernel's own security authority; no VM/IOMMU/sandbox boundary is crossed.\nC:H - Skipping decryption causes the server to accept un-authenticated, attacker-supplied ticket data, letting the attacker control K0/identity/level and impersonate a principal, exposing data served over the authenticated session.\nI:H - The attacker-chosen token sets the connection's session key, security level, and identity without possessing the server key, an authentication bypass that lets the attacker establish a session with forged integrity-relevant parameters.\nA:H - Operating on un-decrypted cryptographic state corrupts the handshake and tears down the connection, and under sustained memory pressure an unauthenticated peer can repeatedly disrupt the RxGK service."}]}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/rxrpc/rxgk_app.c"],"versions":[{"version":"64863f4ca4945bdb62ce2b30823f39ea9fe95415","lessThan":"293095ef618818852bac5488c1bc223935e2ca17","status":"affected","versionType":"git"},{"version":"64863f4ca4945bdb62ce2b30823f39ea9fe95415","lessThan":"c52803e925604e2a17962ab0c99dce2d3f7238db","status":"affected","versionType":"git"},{"version":"64863f4ca4945bdb62ce2b30823f39ea9fe95415","lessThan":"3476c8bb960f48e49355d6f93fb7673211e0163f","status":"affected","versionType":"git"},{"version":"8ac99c57029e13ebb5fb0d634925abedef32b53a","status":"affected","versionType":"git"},{"version":"6.16.9","lessThan":"6.17","status":"affected","versionType":"semver"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/rxrpc/rxgk_app.c"],"versions":[{"version":"6.17","status":"affected"},{"version":"0","lessThan":"6.17","status":"unaffected","versionType":"semver"},{"version":"6.18.27","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.0.4","lessThanOrEqual":"7.0.*","status":"unaffected","versionType":"semver"},{"version":"7.1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"6.18.27"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"7.0.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"7.1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16.9"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/293095ef618818852bac5488c1bc223935e2ca17"},{"url":"https://git.kernel.org/stable/c/c52803e925604e2a17962ab0c99dce2d3f7238db"},{"url":"https://git.kernel.org/stable/c/3476c8bb960f48e49355d6f93fb7673211e0163f"}],"title":"rxrpc: Fix error handling in rxgk_extract_token()","x_generator":{"engine":"bippy-1.2.0"}}}}