{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-06T06:18:46.027","vulnerabilities":[{"cve":{"id":"CVE-2026-23173","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2026-02-14T16:15:57.560","lastModified":"2026-03-18T14:46:21.680","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5e: TC, delete flows only for existing peers\n\nWhen deleting TC steering flows, iterate only over actual devcom\npeers instead of assuming all possible ports exist. This avoids\ntouching non-existent peers and ensures cleanup is limited to\ndevices the driver is currently connected to.\n\n BUG: kernel NULL pointer dereference, address: 0000000000000008\n #PF: supervisor write access in kernel mode\n #PF: error_code(0x0002) - not-present page\n PGD 133c8a067 P4D 0\n Oops: Oops: 0002 [#1] SMP\n CPU: 19 UID: 0 PID: 2169 Comm: tc Not tainted 6.18.0+ #156 NONE\n Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014\n RIP: 0010:mlx5e_tc_del_fdb_peers_flow+0xbe/0x200 [mlx5_core]\n Code: 00 00 a8 08 74 a8 49 8b 46 18 f6 c4 02 74 9f 4c 8d bf a0 12 00 00 4c 89 ff e8 0e e7 96 e1 49 8b 44 24 08 49 8b 0c 24 4c 89 ff <48> 89 41 08 48 89 08 49 89 2c 24 49 89 5c 24 08 e8 7d ce 96 e1 49\n RSP: 0018:ff11000143867528 EFLAGS: 00010246\n RAX: 0000000000000000 RBX: dead000000000122 RCX: 0000000000000000\n RDX: ff11000143691580 RSI: ff110001026e5000 RDI: ff11000106f3d2a0\n RBP: dead000000000100 R08: 00000000000003fd R09: 0000000000000002\n R10: ff11000101c75690 R11: ff1100085faea178 R12: ff11000115f0ae78\n R13: 0000000000000000 R14: ff11000115f0a800 R15: ff11000106f3d2a0\n FS:  00007f35236bf740(0000) GS:ff110008dc809000(0000) knlGS:0000000000000000\n CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 0000000000000008 CR3: 0000000157a01001 CR4: 0000000000373eb0\n Call Trace:\n  <TASK>\n  mlx5e_tc_del_flow+0x46/0x270 [mlx5_core]\n  mlx5e_flow_put+0x25/0x50 [mlx5_core]\n  mlx5e_delete_flower+0x2a6/0x3e0 [mlx5_core]\n  tc_setup_cb_reoffload+0x20/0x80\n  fl_reoffload+0x26f/0x2f0 [cls_flower]\n  ? mlx5e_tc_reoffload_flows_work+0xc0/0xc0 [mlx5_core]\n  ? mlx5e_tc_reoffload_flows_work+0xc0/0xc0 [mlx5_core]\n  tcf_block_playback_offloads+0x9e/0x1c0\n  tcf_block_unbind+0x7b/0xd0\n  tcf_block_setup+0x186/0x1d0\n  tcf_block_offload_cmd.isra.0+0xef/0x130\n  tcf_block_offload_unbind+0x43/0x70\n  __tcf_block_put+0x85/0x160\n  ingress_destroy+0x32/0x110 [sch_ingress]\n  __qdisc_destroy+0x44/0x100\n  qdisc_graft+0x22b/0x610\n  tc_get_qdisc+0x183/0x4d0\n  rtnetlink_rcv_msg+0x2d7/0x3d0\n  ? rtnl_calcit.isra.0+0x100/0x100\n  netlink_rcv_skb+0x53/0x100\n  netlink_unicast+0x249/0x320\n  ? __alloc_skb+0x102/0x1f0\n  netlink_sendmsg+0x1e3/0x420\n  __sock_sendmsg+0x38/0x60\n  ____sys_sendmsg+0x1ef/0x230\n  ? copy_msghdr_from_user+0x6c/0xa0\n  ___sys_sendmsg+0x7f/0xc0\n  ? ___sys_recvmsg+0x8a/0xc0\n  ? __sys_sendto+0x119/0x180\n  __sys_sendmsg+0x61/0xb0\n  do_syscall_64+0x55/0x640\n  entry_SYSCALL_64_after_hwframe+0x4b/0x53\n RIP: 0033:0x7f35238bb764\n Code: 15 b9 86 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb bf 0f 1f 44 00 00 f3 0f 1e fa 80 3d e5 08 0d 00 00 74 13 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 4c c3 0f 1f 00 55 48 89 e5 48 83 ec 20 89 55\n RSP: 002b:00007ffed4c35638 EFLAGS: 00000202 ORIG_RAX: 000000000000002e\n RAX: ffffffffffffffda RBX: 000055a2efcc75e0 RCX: 00007f35238bb764\n RDX: 0000000000000000 RSI: 00007ffed4c356a0 RDI: 0000000000000003\n RBP: 00007ffed4c35710 R08: 0000000000000010 R09: 00007f3523984b20\n R10: 0000000000000004 R11: 0000000000000202 R12: 00007ffed4c35790\n R13: 000000006947df8f R14: 000055a2efcc75e0 R15: 00007ffed4c35780"},{"lang":"es","value":"En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nnet/mlx5e: TC, eliminar flujos solo para pares existentes\n\nAl eliminar flujos de direccionamiento TC, iterar solo sobre pares devcom reales en lugar de asumir que todos los puertos posibles existen. Esto evita tocar pares no existentes y asegura que la limpieza se limite a los dispositivos a los que el controlador está conectado actualmente.\n\nERROR: desreferencia de puntero NULL del kernel, dirección: 0000000000000008\n#PF: acceso de escritura de supervisor en modo kernel\n#PF: error_code(0x0002) - página no presente\nPGD 133c8a067 P4D 0\nOops: Oops: 0002 [#1] SMP\nCPU: 19 UID: 0 PID: 2169 Comm: tc No contaminado 6.18.0+ #156 NINGUNO\nNombre del hardware: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014\nRIP: 0010:mlx5e_tc_del_fdb_peers_flow+0xbe/0x200 [mlx5_core]\nCódigo: 00 00 a8 08 74 a8 49 8b 46 18 f6 c4 02 74 9f 4c 8d bf a0 12 00 00 4c 89 ff e8 0e e7 96 e1 49 8b 44 24 08 49 8b 0c 24 4c 89 ff &lt;48&gt; 89 41 08 48 89 08 49 89 2c 24 49 89 5c 24 08 e8 7d ce 96 e1 49\nRSP: 0018:ff11000143867528 EFLAGS: 00010246\nRAX: 0000000000000000 RBX: dead000000000122 RCX: 0000000000000000\nRDX: ff11000143691580 RSI: ff110001026e5000 RDI: ff11000106f3d2a0\nRBP: dead000000000100 R08: 00000000000003fd R09: 0000000000000002\nR10: ff11000101c75690 R11: ff1100085faea178 R12: ff11000115f0ae78\nR13: 0000000000000000 R14: ff11000115f0a800 R15: ff11000106f3d2a0\nFS: 00007f35236bf740(0000) GS:ff110008dc809000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000000000000008 CR3: 0000000157a01001 CR4: 0000000000373eb0\nTraza de Llamada:\n \n mlx5e_tc_del_flow+0x46/0x270 [mlx5_core]\n mlx5e_flow_put+0x25/0x50 [mlx5_core]\n mlx5e_delete_flower+0x2a6/0x3e0 [mlx5_core]\n tc_setup_cb_reoffload+0x20/0x80\n fl_reoffload+0x26f/0x2f0 [cls_flower]\n ? mlx5e_tc_reoffload_flows_work+0xc0/0xc0 [mlx5_core]\n ? mlx5e_tc_reoffload_flows_work+0xc0/0xc0 [mlx5_core]\n tcf_block_playback_offloads+0"}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-476"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"6.6.123","matchCriteriaId":"FFC21C9B-41A4-4214-AFB1-32C8AFC571B3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.12.69","matchCriteriaId":"3F0D11B0-A3DA-4D8F-89B9-CFD2094EBA37"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.18.9","matchCriteriaId":"171CFCB2-8F49-4F9E-8A67-FAC6BF45B5A2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:*","matchCriteriaId":"17B67AA7-40D6-4AFA-8459-F200F3D7CFD1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:*","matchCriteriaId":"C47E4CC9-C826-4FA9-B014-7FE3D9B318B2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:*","matchCriteriaId":"F71D92C0-C023-48BD-B3B6-70B638EEE298"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc4:*:*:*:*:*:*","matchCriteriaId":"13580667-0A98-40CC-B29F-D12790B91BDB"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc5:*:*:*:*:*:*","matchCriteriaId":"CAD1FED7-CF48-47BF-AC7D-7B6FA3C065FC"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc6:*:*:*:*:*:*","matchCriteriaId":"3EF854A1-ABB1-4E93-BE9A-44569EC76C0D"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc7:*:*:*:*:*:*","matchCriteriaId":"F5DC0CA6-F0AF-4DDF-A882-3DADB9A886A7"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/2652e2f1253c53f9a3ce84cc972568b32c892734","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/62e1d8920f6920543f4b095a65fb964448c9901d","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/f67666938ae626cbda63fbf5176b3583c07e7124","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/fdf8437016f578f18b160c6e14f13ab96bfbc3ba","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]}]}}]}