{"id":"CVE-2024-53091","title":"bpf: Add sk_is_inet and IS_ICSK check in tls_sw_has_ctx_tx/rx","summary":"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 pre…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","vendor":"Linux","product":"Linux","affected":["Linux >= 94531cfcbe79c3598acf96806627b2137ca32eb9 < e675829d287791dd90b70a9413fa7cfb8308830c","Linux >= 94531cfcbe79c3598acf96806627b2137ca32eb9 < a078a480ff3f43d74d8a024ae10c3c7daf6db149","Linux >= 94531cfcbe79c3598acf96806627b2137ca32eb9 < 6781cfa93a6a1b7f5be6819a5a2dd8f30f47ca26","Linux >= 94531cfcbe79c3598acf96806627b2137ca32eb9 < 44d0469f79bd3d0b3433732877358df7dc6b17b1","Linux 5.15"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2025-10-01T20:11:30.644487Z"},"published":"2024-11-21","updated":"2026-10-30","sourceUpdated":"2026-10-30T12:20:00.071Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-53091","references":[{"url":"https://git.kernel.org/stable/c/e675829d287791dd90b70a9413fa7cfb8308830c"},{"url":"https://git.kernel.org/stable/c/a078a480ff3f43d74d8a024ae10c3c7daf6db149"},{"url":"https://git.kernel.org/stable/c/6781cfa93a6a1b7f5be6819a5a2dd8f30f47ca26"},{"url":"https://git.kernel.org/stable/c/44d0469f79bd3d0b3433732877358df7dc6b17b1"}],"tags":["cve.org"],"epss":0.0023,"epssPercentile":0.13903,"ingestedAt":"2026-11-03T14:47:02.514Z","slug":"CVE-2024-53091","body":"## Overview\n\nIn 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\n\n## Affected\n\n- `Linux >= 94531cfcbe79c3598acf96806627b2137ca32eb9 < e675829d287791dd90b70a9413fa7cfb8308830c`\n- `Linux >= 94531cfcbe79c3598acf96806627b2137ca32eb9 < a078a480ff3f43d74d8a024ae10c3c7daf6db149`\n- `Linux >= 94531cfcbe79c3598acf96806627b2137ca32eb9 < 6781cfa93a6a1b7f5be6819a5a2dd8f30f47ca26`\n- `Linux >= 94531cfcbe79c3598acf96806627b2137ca32eb9 < 44d0469f79bd3d0b3433732877358df7dc6b17b1`\n- `Linux 5.15`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}