{"id":"CVE-2022-32981","title":"An issue was discovered in the Linux kernel through 5.18.3 on powerpc 32-bit platforms","summary":"An issue was discovered in the Linux kernel through 5.18.3 on powerpc 32-bit platforms. There is a buffer overflow in ptrace PEEKUSER and POKEUSER (aka PEEKUSR and POKEUSR) when accessing floating point registers.","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 >= 3.13, < 4.9.318","linux_kernel >= 4.10, < 4.14.283","linux_kernel >= 4.15, < 4.19.247","linux_kernel >= 4.20, < 5.4.198","linux_kernel >= 5.5, < 5.10.122","linux_kernel >= 5.11, < 5.15.47","linux_kernel >= 5.16.0, < 5.17.15","linux_kernel >= 5.18, < 5.18.4","linux_kernel = 5.19"],"patched":["linux_kernel 5.18.4"],"published":"2022-06-10","updated":"2026-08-26","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2022-32981","references":[{"url":"http://www.openwall.com/lists/oss-security/2022/06/14/3","label":"cve@mitre.org"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id=8e1278444446fc97778a5e5c99bca1ce0bbc5ec9","label":"cve@mitre.org"},{"url":"http://www.openwall.com/lists/oss-security/2022/06/14/3","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id=8e1278444446fc97778a5e5c99bca1ce0bbc5ec9","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd","exploit-available"],"epss":0.00962,"epssPercentile":0.60158,"ingestedAt":"2026-08-26T18:47:53.673Z","exploits":{"github":1,"githubRepos":["https://github.com/SpiralBL0CK/CVE-2022-32981"],"checkedAt":"2026-09-24T07:52:49.192Z"},"exploitAvailable":true,"slug":"CVE-2022-32981","body":"## Overview\n\nAn issue was discovered in the Linux kernel through 5.18.3 on powerpc 32-bit platforms. There is a buffer overflow in ptrace PEEKUSER and POKEUSER (aka PEEKUSR and POKEUSR) when accessing floating point registers.\n\n## Affected\n\n- `linux_kernel >= 3.13, < 4.9.318`\n- `linux_kernel >= 4.10, < 4.14.283`\n- `linux_kernel >= 4.15, < 4.19.247`\n- `linux_kernel >= 4.20, < 5.4.198`\n- `linux_kernel >= 5.5, < 5.10.122`\n- `linux_kernel >= 5.11, < 5.15.47`\n- `linux_kernel >= 5.16.0, < 5.17.15`\n- `linux_kernel >= 5.18, < 5.18.4`\n- `linux_kernel = 5.19`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 5.18.4`","depth":"midnight","depthScore":55,"depthScoreParts":{"impact":42.9,"likelihood":0.2,"exploitation":12,"ransomware":0},"changes":[{"seq":4628,"id":"CVE-2022-32981","ts":1788887194460,"field":"exploit_available","old":"false","new":"true"},{"seq":3511,"id":"CVE-2022-32981","ts":1788886310940,"field":"exploit_available","old":"true","new":"false"},{"seq":2365,"id":"CVE-2022-32981","ts":1788882980390,"field":"exploit_available","old":"false","new":"true"},{"seq":1394,"id":"CVE-2022-32981","ts":1788882393037,"field":"exploit_available","old":"true","new":"false"},{"seq":508,"id":"CVE-2022-32981","ts":1788881828893,"field":"exploit_available","old":"false","new":"true"}]}