CVE-2024-42275

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There is no remote or adjacent-network input.\nAC:L - Both preconditions are under the attacker's control: the failing `drm_gem_vmap()` is reliably produced by exhausting system memory or VRAM through the render node, and the damage blit is triggered on demand by writing to `/dev/fb0`. No condition depends on state the attacker cannot influence.\nPR:L - An ordinary local account with the usual graphics access (fbdev/DRM render node, e.g. the video/render/graphics groups on desktops, Android and embedded systems) suffices; no CAP_SYS_ADMIN or root is required anywhere on the path.\nUI:N - The attacker drives the entire sequence from its own process \u2014 allocate to force the vmap failure, then dirty the framebuffer; the damage worker also fires automatically on console updates. No victim action is needed.\nS:U - The corruption stays within the kernel's own security authority; there is no VM, IOMMU, or sandbox boundary crossed by the failed mapping or the reservation-lock imbalance.\nC:H - The uninitialized `iosys_map` write and the released-but-still-assumed-held reservation lock give memory corruption plus a race window where a BO can be moved/evicted mid-blit, which is leverageable for disclosure of arbitrary kernel memory.\nI:H - A loop of `memcpy` writes of fully userspace-controlled shadow-framebuffer bytes lands at an uninitialized kernel pointer (or MMIO address), which with stack grooming is an arbitrary-write primitive suitable for control-flow hijack.\nA:H - The write through the garbage pointer causes an immediate oops/panic (a guaranteed NULL-deref on `INIT_STACK_ALL_ZERO` builds), and the extra `dma_resv_unlock()` corrupts ww_mutex state, leading to warnings, stolen locks and deadlocks."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/drm_client.c"], "versions": [{"version": "b4b0193e83cb987143583e2b4011b35331f429bd", "lessThan": "c0f412961653237f52e2f16ee8747fb330bcf074", "status": "affected", "versionType": "git"}, {"version": "b4b0193e83cb987143583e2b4011b35331f429bd", "lessThan": "b5fbf924f125ba3638cfdc21c0515eb7e76264ca", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/drm_client.c"], "versions": [{"version": "6.10", "status": "affected"}, {"version": "0", "lessThan": "6.10", "status": "unaffected", "versionType": "semver"}, {"version": "6.10.4", "lessThanOrEqual": "6.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.11", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "6.10.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "6.11"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/c0f412961653237f52e2f16ee8747fb330bcf074"}, {"url": "https://git.kernel.org/stable/c/b5fbf924f125ba3638cfdc21c0515eb7e76264ca"}], "title": "drm/client: Fix error code in drm_client_buffer_vmap_local()", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-42275", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T16:11:58.568874Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-12T17:33:31.871Z"}}]}}

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{"bugzilla": {"description": "kernel: drm/client: Fix error code in drm_client_buffer_vmap_local()", "id": "2305420", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2305420"}, "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-252|CWE-824)", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/client: Fix error code in drm_client_buffer_vmap_local()\nThis function accidentally returns zero/success on the failure path.\nIt leads to locking issues and an uninitialized *map_copy in the\ncaller."], "name": "CVE-2024-42275", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "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": "2024-08-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-42275\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-42275\nhttps://lore.kernel.org/linux-cve-announce/2024081740-CVE-2024-42275-8f91@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-12T23:06:04.334846+00:00", "updated": "2025-07-12T23:06:04.334899+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}