CVE-2026-45853

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{"bugzilla": {"description": "kernel: drm/amdgpu: Use kvfree instead of kfree in amdgpu_gmc_get_nps_memranges()", "id": "2481919", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2481919"}, "csaw": false, "cwe": "CWE-763", "details": ["A flaw was found in the Linux kernel's `drm/amdgpu` component. The `amdgpu_discovery_get_nps_info()` function incorrectly deallocates memory by using `kfree()` instead of `kvfree()`, even when memory was allocated with `kvcalloc()` which may use `vmalloc()`. This improper memory handling can lead to memory corruption. Such a vulnerability could potentially be exploited by a local attacker to cause system instability or escalate privileges."], "name": "CVE-2026-45853", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"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": "2026-05-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-45853\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-45853\nhttps://lore.kernel.org/linux-cve-announce/2026052709-CVE-2026-45853-9163@gregkh/T"]}

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