{"id":"CVE-2024-53091","url":"https://www.cyber-defence.io/tools/cve/CVE-2024-53091","generatedAt":"2026-10-28T03:41:47.010Z","title":"In the Linux kernel, the following vulnerability has been resolved: bpf: Add sk_is_inet and IS_ICSK check in tls_sw_has_ctx_tx/rx As the introduction of the support for vsock and unix sockets in sockmap, tls_sw_has_ctx_tx/rx cannot presume the socket…","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Add sk_is_inet and IS_ICSK check in tls_sw_has_ctx_tx/rx\n\nAs the introduction of the support for vsock and unix sockets in sockmap,\ntls_sw_has_ctx_tx/rx cannot presume the socket passed in must be IS_ICSK.\nvsock and af_unix sockets have vsock_sock and unix_sock instead of\ninet_connection_sock. For these sockets, tls_get_ctx may return an invalid\npointer and cause page fault in function tls_sw_ctx_rx.\n\nBUG: unable to handle page fault for address: 0000000000040030\nWorkqueue: vsock-loopback vsock_loopback_work\nRIP: 0010:sk_psock_strp_data_ready+0x23/0x60\nCall Trace:\n ? __die+0x81/0xc3\n ? no_context+0x194/0x350\n ? do_page_fault+0x30/0x110\n ? async_page_fault+0x3e/0x50\n ? sk_psock_strp_data_ready+0x23/0x60\n virtio_transport_recv_pkt+0x750/0x800\n ? update_load_avg+0x7e/0x620\n vsock_loopback_work+0xd0/0x100\n process_one_work+0x1a7/0x360\n worker_thread+0x30/0x390\n ? create_worker+0x1a0/0x1a0\n kthread+0x112/0x130\n ? __kthread_cancel_work+0x40/0x40\n ret_from_fork+0x1f/0x40\n\nv2:\n  - Add IS_ICSK check\nv3:\n  - Update the commits in Fixes","published":"2024-11-21T19:15:12.000Z","lastModified":"2026-08-04T11:21:50.000Z","status":"Modified","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"cwe":[],"affected":["linux/linux kernel"],"epss":{"score":0.0023,"percentile":0.13764,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.23%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://git.kernel.org/stable/c/44d0469f79bd3d0b3433732877358df7dc6b17b1","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6781cfa93a6a1b7f5be6819a5a2dd8f30f47ca26","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a078a480ff3f43d74d8a024ae10c3c7daf6db149","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2024-53091","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}