{"id":"CVE-2025-21780","title":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: avoid buffer overflow attach in smu_sys_set_pp_table()\n\nIt malicious user provides a small pptable through sysfs and then\na bigger pptable, it may cause buf…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: avoid buffer overflow attach in smu_sys_set_pp_table()\n\nIt malicious user provides a small pptable through sysfs and then\na bigger pptable, it may cause buf…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-120"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel < 6.1.129","linux_kernel >= 6.2, < 6.6.79","linux_kernel >= 6.7, < 6.12.16","linux_kernel >= 6.13, < 6.13.4","linux_kernel = 6.14"],"patched":["linux_kernel 6.13.4"],"published":"2025-02-27","updated":"2026-07-14","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-21780","references":[{"url":"https://git.kernel.org/stable/c/1abb2648698bf10783d2236a6b4a7ca5e8021699","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/231075c5a8ea54f34b7c4794687baa980814e6de","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2498d2db1d35e88a2060ea191ae75dce853dd084","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3484ea33157bc7334f57e64826ec5a4bf992151a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e43a8b9c4d700ffec819c5043a48769b3e7d9cab","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-019113.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-21780.json"},{"url":"https://access.redhat.com/security/cve/CVE-2025-21780"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2348580"},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-21780"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-21780"},{"url":"https://lore.kernel.org/linux-cve-announce/2025022607-CVE-2025-21780-8283@gregkh/T"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00263,"epssPercentile":0.18448,"ingestedAt":"2026-07-14T13:36:55.716Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2025-10-01T19:30:25.628048Z"},"slug":"CVE-2025-21780","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: avoid buffer overflow attach in smu_sys_set_pp_table()\n\nIt malicious user provides a small pptable through sysfs and then\na bigger pptable, it may cause buffer overflow attack in function\nsmu_sys_set_pp_table().\n\n## Affected\n\n- `linux_kernel < 6.1.129`\n- `linux_kernel >= 6.2, < 6.6.79`\n- `linux_kernel >= 6.7, < 6.12.16`\n- `linux_kernel >= 6.13, < 6.13.4`\n- `linux_kernel = 6.14`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.13.4`\n\n## Vendor advisories\n\n- **Red Hat VEX** · Important · updated 2026-09-13 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-21780.json)","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}