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in\nbtrfs_run_qgroups() later outside of the spinlock context."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: btrfs: qgroup: correcci\u00f3n del error de suspensi\u00f3n desde un contexto no v\u00e1lido en btrfs_qgroup_inherit() Syzkaller inform\u00f3 de un ERROR como el siguiente: ERROR: funci\u00f3n de suspensi\u00f3n llamada desde un contexto no v\u00e1lido en include/linux/sched/mm.h:274 Seguimiento de llamadas: dump_stack_lvl+0xcd/0x134 __might_resched.cold+0x222/0x26b kmem_cache_alloc+0x2e7/0x3c0 update_qgroup_limit_item+0xe1/0x390 btrfs_qgroup_inherit+0x147b/0x1ee0 create_subvol+0x4eb/0x1710 btrfs_mksubvol+0xfe5/0x13f0 __btrfs_ioctl_snap_create+0x2b0/0x430 btrfs_ioctl_snap_create_v2+0x25a/0x520 btrfs_ioctl+0x2a1c/0x5ce0 __x64_sys_ioctl+0x193/0x200 do_syscall_64+0x35/0x80 Solucione esto llamando a qgroup_dirty() en @dstqgroup y actualice el elemento de l\u00edmite en btrfs_run_qgroups() m\u00e1s tarde fuera del contexto de spinlock."}], "id": "CVE-2022-49033", "lastModified": "2024-10-30T21:50:50.007", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-10-21T20:15:13.943", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/01d7c41eac9129fba80d8aed0060caab4a7dbe09"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/044da1a371a0da579e805e89c96865f62d8f6f69"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3c98e91be6aea4c7acf09da6eb0c107ea9186bb5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/588ae4fdd8b11788a797776b10d6c44ae12bc133"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/89840b12c8fad7200eb6478525c13261512c01be"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8eb912af525042a7365295eb62f6d5270c2a6462"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f4b930a1602b05e77fee31f9616599b25e910a86"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f7e942b5bb35d8e3af54053d19a6bf04143a3955"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: btrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit()", "id": "2320795", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2320795"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-20", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nbtrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit()\nSyzkaller reported BUG as follows:\nBUG: sleeping function called from invalid context at\ninclude/linux/sched/mm.h:274\nCall Trace:\n<TASK>\ndump_stack_lvl+0xcd/0x134\n__might_resched.cold+0x222/0x26b\nkmem_cache_alloc+0x2e7/0x3c0\nupdate_qgroup_limit_item+0xe1/0x390\nbtrfs_qgroup_inherit+0x147b/0x1ee0\ncreate_subvol+0x4eb/0x1710\nbtrfs_mksubvol+0xfe5/0x13f0\n__btrfs_ioctl_snap_create+0x2b0/0x430\nbtrfs_ioctl_snap_create_v2+0x25a/0x520\nbtrfs_ioctl+0x2a1c/0x5ce0\n__x64_sys_ioctl+0x193/0x200\ndo_syscall_64+0x35/0x80\nFix this by calling qgroup_dirty() on @dstqgroup, and update limit item in\nbtrfs_run_qgroups() later outside of the spinlock context."], "name": "CVE-2022-49033", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-10-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49033\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49033\nhttps://lore.kernel.org/linux-cve-announce/2024102156-CVE-2022-49033-a8c6@gregkh/T"], "threat_severity": "Moderate"}

{}