CVE-2024-57977

{"id": "CVE-2024-57977", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "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": "2025-02-27T02:15:10.890", "references": [{"url": "https://git.kernel.org/stable/c/0a09d56e1682c951046bf15542b3e9553046c9f6", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/110399858194c71f11afefad6e7be9e3876b284f", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/46576834291869457d4772bb7df72d7c2bb3d57f", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/72f2c0b7c152c2983ed51d48c3272cab4f34d965", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/972486d37169fe85035e81b8c5dff21f70df1173", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/a9042dbc1ed4bf25a5f5c699d10c3d676abf8ca2", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/ade81479c7dda1ce3eedb215c78bc615bbd04f06", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c3a3741db8c1202aa959c77df3a4c361612d1eb1", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-667"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmemcg: fix soft lockup in the OOM process\n\nA soft lockup issue was found in the product with about 56,000 tasks were\nin the OOM cgroup, it was traversing them when the soft lockup was\ntriggered.\n\nwatchdog: BUG: soft lockup - CPU#2 stuck for 23s! [VM Thread:1503066]\nCPU: 2 PID: 1503066 Comm: VM Thread Kdump: loaded Tainted: G\nHardware name: Huawei Cloud OpenStack Nova, BIOS\nRIP: 0010:console_unlock+0x343/0x540\nRSP: 0000:ffffb751447db9a0 EFLAGS: 00000247 ORIG_RAX: ffffffffffffff13\nRAX: 0000000000000001 RBX: 0000000000000000 RCX: 00000000ffffffff\nRDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000247\nRBP: ffffffffafc71f90 R08: 0000000000000000 R09: 0000000000000040\nR10: 0000000000000080 R11: 0000000000000000 R12: ffffffffafc74bd0\nR13: ffffffffaf60a220 R14: 0000000000000247 R15: 0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007f2fe6ad91f0 CR3: 00000004b2076003 CR4: 0000000000360ee0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n vprintk_emit+0x193/0x280\n printk+0x52/0x6e\n dump_task+0x114/0x130\n mem_cgroup_scan_tasks+0x76/0x100\n dump_header+0x1fe/0x210\n oom_kill_process+0xd1/0x100\n out_of_memory+0x125/0x570\n mem_cgroup_out_of_memory+0xb5/0xd0\n try_charge+0x720/0x770\n mem_cgroup_try_charge+0x86/0x180\n mem_cgroup_try_charge_delay+0x1c/0x40\n do_anonymous_page+0xb5/0x390\n handle_mm_fault+0xc4/0x1f0\n\nThis is because thousands of processes are in the OOM cgroup, it takes a\nlong time to traverse all of them. As a result, this lead to soft lockup\nin the OOM process.\n\nTo fix this issue, call 'cond_resched' in the 'mem_cgroup_scan_tasks'\nfunction per 1000 iterations. For global OOM, call\n'touch_softlockup_watchdog' per 1000 iterations to avoid this issue."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: memcg: corrige bloqueo suave en el proceso OOM Se encontr\u00f3 un problema de bloqueo suave en el producto con aproximadamente 56 000 tareas en el cgroup OOM, las estaba atravesando cuando se activ\u00f3 el bloqueo suave. watchdog: ERROR: bloqueo suave: \u00a1CPU n.\u00b0 2 bloqueada durante 23 s! [Hilo de VM:1503066] CPU: 2 PID: 1503066 Comm: Hilo de VM Kdump: cargado Contaminado: G Nombre del hardware: Huawei Cloud OpenStack Nova, BIOS RIP: 0010:console_unlock+0x343/0x540 RSP: 0000:ffffb751447db9a0 EFLAGS: 00000247 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000001 RBX: 000000000000000 RCX: 00000000ffffffff RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000247 RBP: ffffffffafc71f90 R08: 0000000000000000 R09: 0000000000000040 R10: 00000000000000080 R11: 00000000000000000 R12: ffffffffafc74bd0 R13: ffffffffaf60a220 R14: 0000000000000247 R15: 0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2fe6ad91f0 CR3: 00000004b2076003 CR4: 0000000000360ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Seguimiento de llamadas: vprintk_emit+0x193/0x280 printk+0x52/0x6e dump_task+0x114/0x130 mem_cgroup_scan_tasks+0x76/0x100 dump_header+0x1fe/0x210 oom_kill_process+0xd1/0x100 out_of_memory+0x125/0x570 mem_cgroup_out_of_memory+0xb5/0xd0 try_charge+0x720/0x770 mem_cgroup_try_charge+0x86/0x180 mem_cgroup_try_charge_delay+0x1c/0x40 do_anonymous_page+0xb5/0x390 handle_mm_fault+0xc4/0x1f0 Esto se debe a que hay miles de procesos en el grupo de control OOM y lleva mucho tiempo recorrerlos todos. Como resultado, esto conduce a un bloqueo suave en el proceso OOM. Para solucionar este problema, llame a \"cond_resched\" en la funci\u00f3n \"mem_cgroup_scan_tasks\" cada 1000 iteraciones. Para OOM global, llame a \"touch_softlockup_watchdog\" cada 1000 iteraciones para evitar este problema."}], "lastModified": "2025-03-13T13:15:42.533", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "01B14EA8-2402-4589-86D3-868036DA9557", "versionEndExcluding": "6.12.13", "versionStartIncluding": "3.6"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6D4116B1-1BFD-4F23-BA84-169CC05FC5A3", "versionEndExcluding": "6.13.2", "versionStartIncluding": "6.13"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}