{"id":"CVE-2026-43463","summary":"rxrpc, afs: Fix missing error pointer check after rxrpc_kernel_lookup_peer()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc, afs: Fix missing error pointer check after rxrpc_kernel_lookup_peer()\n\nrxrpc_kernel_lookup_peer() can also return error pointers in addition to\nNULL, so just checking for NULL is not sufficient.\n\nFix this by:\n\n (1) Changing rxrpc_kernel_lookup_peer() to return -ENOMEM rather than NULL\n     on allocation failure.\n\n (2) Making the callers in afs use IS_ERR() and PTR_ERR() to pass on the\n     error code returned.","modified":"2026-11-08T02:30:27.067068190Z","published":"2026-05-08T14:22:25.346Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43463.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/4245a79003adf30e67f8e9060915bd05cb31d142"},{"type":"WEB","url":"https://git.kernel.org/stable/c/54331c5dcc6d97683d7ca2788e7ef9c9505e1477"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d55fa7cd4b19ba91b34b307d769c149e56ad0a75"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d854c93b12f2076c564f595b41b93b02fd42a0f9"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43463.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43463"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"72904d7b9bfbf2dd146254edea93958bc35bbbfe"},{"fixed":"d854c93b12f2076c564f595b41b93b02fd42a0f9"},{"fixed":"d55fa7cd4b19ba91b34b307d769c149e56ad0a75"},{"fixed":"54331c5dcc6d97683d7ca2788e7ef9c9505e1477"},{"fixed":"4245a79003adf30e67f8e9060915bd05cb31d142"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"6.7.3"},{"fixed":"6.8"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"056fc740be000d39a7dba700a935f3bbfbc664e6"}]}],"versions":["v6.7.12","v6.7.11","v6.7.10","v6.7.9","v6.7.8","v6.7.7","v6.7.6","v6.7.5","v6.7.4","v6.7.3"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43463.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.8.0"},{"fixed":"6.12.114"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.19"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"6.19.9"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43463.json"}}],"schema_version":"1.9.2"}