{ "dataType": "CVE_RECORD", "cveMetadata": { "cveId": "CVE-2023-52691", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-03-07T14:49:46.888Z", "datePublished": "2024-05-17T14:24:51.294Z", "dateUpdated": "2026-08-05T09:11:04.032Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T09:11:04.032Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/pm: fix a double-free in si_dpm_init\n\nWhen the allocation of\nadev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries fails,\namdgpu_free_extended_power_table is called to free some fields of adev.\nHowever, when the control flow returns to si_dpm_sw_init, it goes to\nlabel dpm_failed and calls si_dpm_fini, which calls\namdgpu_free_extended_power_table again and free those fields again. Thus\na double-free is triggered." } ], "metrics": [ { "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH" }, "scenarios": [ { "lang": "en", "value": "AV:L - The vulnerable path runs in amdgpu PCI probe via amdgpu_device_ip_init → si_dpm_sw_init → si_dpm_init, which is local driver initialization on Southern Islands GPUs, not reachable from network packets or adjacent-link protocols.\nAC:L - A local attacker can induce system-wide memory pressure so the GFP_KERNEL kcalloc fails and force the error path; once that allocation fails, the double-free is deterministic with no uncontrolled race.\nPR:L - Exploitation is assessed from an unprivileged local account on a shared system with an affected AMD SI GPU and amdgpu SI support enabled; root is not required for the attacker’s privileges prior to exploitation under the higher-severity interpretation.\nUI:N - No victim user action such as opening a file or clicking a link is required; the flaw is triggered by driver initialization under attacker-influenced memory conditions.\nS:U - Impact remains within the host kernel’s security authority; this is standard kernel memory corruption / potential privilege escalation, not a VM escape or IOMMU boundary cross.\nC:H - The bug is a kernel double-free of heap objects in amdgpu_free_extended_power_table without pointer clearing, which is memory corruption that can be leveraged for arbitrary read primitives.\nI:H - Double-free freelist corruption in the kernel allocator can be abused for overlapping objects and arbitrary write / control-flow hijacking, enabling full integrity compromise.\nA:H - The double-free reliably causes kernel heap corruption that can oops/panic the kernel or otherwise deny service even when not fully exploited for code execution." } ] } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c" ], "versions": [ { "version": "841686df9f7d2942cfd94d024b8591fa3f74ef7c", "lessThan": "afe9f5b871f86d58ecdc45b217b662227d7890d0", "status": "affected", "versionType": "git" }, { "version": "841686df9f7d2942cfd94d024b8591fa3f74ef7c", "lessThan": "06d95c99d5a4f5accdb79464076efe62e668c706", "status": "affected", "versionType": "git" }, { "version": "841686df9f7d2942cfd94d024b8591fa3f74ef7c", "lessThan": "aeed2b4e4a70c7568d4a5eecd6a109713c0dfbf4", "status": "affected", "versionType": "git" }, { "version": "841686df9f7d2942cfd94d024b8591fa3f74ef7c", "lessThan": "2bf47c89bbaca2bae16581ef1b28aaec0ade0334", "status": "affected", "versionType": "git" }, { "version": "841686df9f7d2942cfd94d024b8591fa3f74ef7c", "lessThan": "f957a1be647f7fc65926cbf572992ec2747a93f2", "status": "affected", "versionType": "git" }, { "version": "841686df9f7d2942cfd94d024b8591fa3f74ef7c", "lessThan": "fb1936cb587262cd539e84b34541abb06e42b2f9", "status": "affected", "versionType": "git" }, { "version": "841686df9f7d2942cfd94d024b8591fa3f74ef7c", "lessThan": "ca8e2e251c65e5a712f6025e27bd9b26d16e6f4a", "status": "affected", "versionType": "git" }, { "version": "841686df9f7d2942cfd94d024b8591fa3f74ef7c", "lessThan": "ac16667237a82e2597e329eb9bc520d1cf9dff30", "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/amd/pm/legacy-dpm/si_dpm.c" ], "versions": [ { "version": "4.9", "status": "affected" }, { "version": "0", "lessThan": "4.9", "status": "unaffected", "versionType": "semver" }, { "version": "4.19.306", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.268", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.209", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.148", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.75", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.14", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.7.2", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.8", "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": "4.9", "versionEndExcluding": "4.19.306" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9", 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