{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-49418","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-02-26T02:08:31.568Z","datePublished":"2025-02-26T02:12:43.359Z","dateUpdated":"2025-06-19T12:39:09.366Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-06-19T12:39:09.366Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nNFSv4: Fix free of uninitialized nfs4_label on referral lookup.\n\nSend along the already-allocated fattr along with nfs4_fs_locations, and\ndrop the memcpy of fattr.  We end up growing two more allocations, but this\nfixes up a crash as:\n\nPID: 790    TASK: ffff88811b43c000  CPU: 0   COMMAND: \"ls\"\n #0 [ffffc90000857920] panic at ffffffff81b9bfde\n #1 [ffffc900008579c0] do_trap at ffffffff81023a9b\n #2 [ffffc90000857a10] do_error_trap at ffffffff81023b78\n #3 [ffffc90000857a58] exc_stack_segment at ffffffff81be1f45\n #4 [ffffc90000857a80] asm_exc_stack_segment at ffffffff81c009de\n #5 [ffffc90000857b08] nfs_lookup at ffffffffa0302322 [nfs]\n #6 [ffffc90000857b70] __lookup_slow at ffffffff813a4a5f\n #7 [ffffc90000857c60] walk_component at ffffffff813a86c4\n #8 [ffffc90000857cb8] path_lookupat at ffffffff813a9553\n #9 [ffffc90000857cf0] filename_lookup at ffffffff813ab86b"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfs/nfs4namespace.c","fs/nfs/nfs4proc.c","fs/nfs/nfs4state.c","fs/nfs/nfs4xdr.c","include/linux/nfs_xdr.h"],"versions":[{"version":"9558a007dbc383d48e7f5a123d0b5ff656c71068","lessThan":"6015292653d95ba9f72906e2b65e536aa5807d64","status":"affected","versionType":"git"},{"version":"9558a007dbc383d48e7f5a123d0b5ff656c71068","lessThan":"c3ed222745d9ad7b69299b349a64ba533c64a34f","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfs/nfs4namespace.c","fs/nfs/nfs4proc.c","fs/nfs/nfs4state.c","fs/nfs/nfs4xdr.c","include/linux/nfs_xdr.h"],"versions":[{"version":"5.16","status":"affected"},{"version":"0","lessThan":"5.16","status":"unaffected","versionType":"semver"},{"version":"5.18.3","lessThanOrEqual":"5.18.*","status":"unaffected","versionType":"semver"},{"version":"5.19","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":"5.16","versionEndExcluding":"5.18.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"5.19"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/6015292653d95ba9f72906e2b65e536aa5807d64"},{"url":"https://git.kernel.org/stable/c/c3ed222745d9ad7b69299b349a64ba533c64a34f"}],"title":"NFSv4: Fix free of uninitialized nfs4_label on referral lookup.","x_generator":{"engine":"bippy-1.2.0"}}}}