CVE-2023-53121

{"id": "CVE-2023-53121", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2025-05-02T16:15:31.173", "references": [{"url": "https://git.kernel.org/stable/c/442aa78ed70188b21ccd8669738448702c0a3281", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/7613cde8c0c1f02a7ec2e1d536c01b65b135fc1c", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/77ad58bca0119e8cc3e0e9d91a3f22caa66e4dfa", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/9180aa4622a720b433e842b4d3aa34d73eec577a", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/ad07290d63ff6689f50565b02f5b6f34ec15a5ca", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/bced3f7db95ff2e6ca29dc4d1c9751ab5e736a09", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/d493d4fe88195a144d6a277a90062a7534ed2192", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/e23ca307745be3df7fe9762f3e2a7e311a57852e", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: tcp_make_synack() can be called from process context\n\ntcp_rtx_synack() now could be called in process context as explained in\n0a375c822497 (\"tcp: tcp_rtx_synack() can be called from process\ncontext\").\n\ntcp_rtx_synack() might call tcp_make_synack(), which will touch per-CPU\nvariables with preemption enabled. This causes the following BUG:\n\n BUG: using __this_cpu_add() in preemptible [00000000] code: ThriftIO1/5464\n caller is tcp_make_synack+0x841/0xac0\n Call Trace:\n <TASK>\n dump_stack_lvl+0x10d/0x1a0\n check_preemption_disabled+0x104/0x110\n tcp_make_synack+0x841/0xac0\n tcp_v6_send_synack+0x5c/0x450\n tcp_rtx_synack+0xeb/0x1f0\n inet_rtx_syn_ack+0x34/0x60\n tcp_check_req+0x3af/0x9e0\n tcp_rcv_state_process+0x59b/0x2030\n tcp_v6_do_rcv+0x5f5/0x700\n release_sock+0x3a/0xf0\n tcp_sendmsg+0x33/0x40\n ____sys_sendmsg+0x2f2/0x490\n __sys_sendmsg+0x184/0x230\n do_syscall_64+0x3d/0x90\n\nAvoid calling __TCP_INC_STATS() with will touch per-cpu variables. Use\nTCP_INC_STATS() which is safe to be called from context switch."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: tcp: tcp_make_synack() se puede llamar desde el contexto del proceso. tcp_rtx_synack() ahora se puede llamar en el contexto del proceso como se explica en 0a375c822497 (\"tcp: tcp_rtx_synack() se puede llamar desde el contexto del proceso\"). tcp_rtx_synack() podr\u00eda llamar a tcp_make_synack(), que tocar\u00e1 las variables por CPU con la preempci\u00f3n habilitada. Esto provoca el siguiente ERROR: ERROR: uso de __this_cpu_add() en c\u00f3digo preemptible [00000000]: El llamador de ThriftIO1/5464 es tcp_make_synack+0x841/0xac0 Rastreo de llamadas: dump_stack_lvl+0x10d/0x1a0 check_preemption_disabled+0x104/0x110 tcp_make_synack+0x841/0xac0 tcp_v6_send_synack+0x5c/0x450 tcp_rtx_synack+0xeb/0x1f0 inet_rtx_syn_ack+0x34/0x60 tcp_check_req+0x3af/0x9e0 tcp_rcv_state_process+0x59b/0x2030 tcp_v6_do_rcv+0x5f5/0x700 release_sock+0x3a/0xf0 tcp_sendmsg+0x33/0x40 ____sys_sendmsg+0x2f2/0x490 __sys_sendmsg+0x184/0x230 do_syscall_64+0x3d/0x90 Evite llamar a __TCP_INC_STATS(), ya que afectar\u00e1 las variables por CPU. Use TCP_INC_STATS(), que se puede llamar de forma segura desde un cambio de contexto."}], "lastModified": "2025-11-10T17:50:22.173", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A6ED4957-DD82-42CD-B19D-5D932A8F252D", "versionEndExcluding": "4.14.311", "versionStartIncluding": "3.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8E21A6F0-EF6A-4BB1-BEC0-09275FA55481", "versionEndExcluding": "4.19.279", "versionStartIncluding": "4.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5FF05A65-6B32-4A9C-905D-6E0F17C6803B", "versionEndExcluding": "5.4.238", "versionStartIncluding": "4.20"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7DA7FEF3-FE10-4D78-94E4-BDCDA7371DD5", "versionEndExcluding": "5.10.176", "versionStartIncluding": "5.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EB8A3D70-3EE1-4B1C-8A21-21CA7356DCA7", "versionEndExcluding": "5.15.104", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1F1CA6A9-8F4D-408D-9116-868EC067DCD9", "versionEndExcluding": "6.1.21", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4011EC6B-7786-4709-B765-186FA31D6F7F", "versionEndExcluding": "6.2.8", "versionStartIncluding": "6.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.3:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B8E3B0E8-FA27-4305-87BB-AF6C25B160CB"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.3:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A47F0FC3-CE52-4BA1-BA51-22F783938431"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}