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{"descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm/dpu: Add mutex lock in control vblank irq\n\nAdd a mutex lock to control vblank irq to synchronize vblank\nenable/disable operations happening from different threads to prevent\nrace conditions while registering/unregistering the vblank irq callback.\n\nv4: -Removed vblank_ctl_lock from dpu_encoder_virt, so it is only a\n parameter of dpu_encoder_phys.\n -Switch from atomic refcnt to a simple int counter as mutex has\n now been added\nv3: Mistakenly did not change wording in last version. It is done now.\nv2: Slightly changed wording of commit message\n\nPatchwork: https://patchwork.freedesktop.org/patch/571854/"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/msm/dpu: agregue un bloqueo mutex en el control vblank irq. Agregue un bloqueo mutex para controlar vblank irq para sincronizar las operaciones de activaci\u00f3n/desactivaci\u00f3n de vblank que ocurren desde diferentes subprocesos para evitar condiciones de ejecuci\u00f3n durante el registro. /anular el registro de la devoluci\u00f3n de llamada vblank irq. v4: -Se elimin\u00f3 vblank_ctl_lock de dpu_encoder_virt, por lo que es solo un par\u00e1metro de dpu_encoder_phys. -Cambiar de refcnt at\u00f3mico a un contador int simple ya que ahora se ha agregado mutex v3: por error no cambi\u00f3 la redacci\u00f3n en la \u00faltima versi\u00f3n. Ya est\u00e1 hecho. v2: redacci\u00f3n ligeramente modificada del mensaje de confirmaci\u00f3n Patchwork: https://patchwork.freedesktop.org/patch/571854/"}], "id": "CVE-2023-52586", "lastModified": "2024-11-21T08:40:07.803", "metrics": {}, "published": "2024-03-06T07:15:07.443", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/14f109bf74dd67e1d0469fed859c8e506b0df53f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/45284ff733e4caf6c118aae5131eb7e7cf3eea5a"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/14f109bf74dd67e1d0469fed859c8e506b0df53f"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/45284ff733e4caf6c118aae5131eb7e7cf3eea5a"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: drm/msm/dpu: Add mutex lock in control vblank irq", "id": "2268333", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2268333"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-362", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/msm/dpu: Add mutex lock in control vblank irq\nAdd a mutex lock to control vblank irq to synchronize vblank\nenable/disable operations happening from different threads to prevent\nrace conditions while registering/unregistering the vblank irq callback.\nv4: -Removed vblank_ctl_lock from dpu_encoder_virt, so it is only a\nparameter of dpu_encoder_phys.\n-Switch from atomic refcnt to a simple int counter as mutex has\nnow been added\nv3: Mistakenly did not change wording in last version. It is done now.\nv2: Slightly changed wording of commit message\nPatchwork: https://patchwork.freedesktop.org/patch/571854/", "A vulnerability was found in the Linux kernel which involves a potential race condition when registering/unregistering the vblank irq callback. This could lead to inconsistent or undefined behavior when multiple threads attempt to access/modify the blank irq state simultaneously."], "name": "CVE-2023-52586", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "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": "2024-03-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52586\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52586\nhttps://lore.kernel.org/linux-cve-announce/2024030644-CVE-2023-52586-3ecb@gregkh/T"], "statement": "Red Hat Enterprise Linux 8 and 9 are not affected by this vulnerability.", "threat_severity": "Moderate", "upstream_fix": "kernel 6.7.4, kernel 6.8-rc1"}