{"id":"CVE-2025-68177","state":"PUBLISHED","title":"cpufreq/longhaul: handle NULL policy in longhaul_exit","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncpufreq/longhaul: handle NULL policy in longhaul_exit\n\nlonghaul_exit() was calling cpufreq_cpu_get(0) without checking\nfor a NULL policy pointer. On some systems, this could lead to a\nNULL dereference and a kernel warning or panic.\n\nThis patch adds a check using unlikely() and returns early if the\npolicy is NULL.\n\nBugzilla: #219962","publishedAt":"2025-12-16T13:42:56.336Z","updatedAt":"2026-05-11T21:48:09.012Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b43a7ffbf33be7e4d3b10b7714ee663ea2c52fe2","status":"affected","lessThan":"b02352dd2e6cca98777714cc2a27553191df70db","versionType":"git"},{"version":"b43a7ffbf33be7e4d3b10b7714ee663ea2c52fe2","status":"affected","lessThan":"956b56d17a89775e4957bbddefa45cd3c6c71000","versionType":"git"},{"version":"b43a7ffbf33be7e4d3b10b7714ee663ea2c52fe2","status":"affected","lessThan":"55cf586b9556863e3c2a45460aba71bcb2be5bcd","versionType":"git"},{"version":"b43a7ffbf33be7e4d3b10b7714ee663ea2c52fe2","status":"affected","lessThan":"fd93e1d71b3b14443092919be12b1abf08de35eb","versionType":"git"},{"version":"b43a7ffbf33be7e4d3b10b7714ee663ea2c52fe2","status":"affected","lessThan":"8d6791c480f22d6e9a566eaa77336d3d37c5c591","versionType":"git"},{"version":"b43a7ffbf33be7e4d3b10b7714ee663ea2c52fe2","status":"affected","lessThan":"64adabb6d9d51b7e7c02fe733346a2c4dd738488","versionType":"git"},{"version":"b43a7ffbf33be7e4d3b10b7714ee663ea2c52fe2","status":"affected","lessThan":"809cf2a7794ca4c14c304b349f4c3ae220701ce4","versionType":"git"},{"version":"b43a7ffbf33be7e4d3b10b7714ee663ea2c52fe2","status":"affected","lessThan":"592532a77b736b5153e0c2e4c74aa50af0a352ab","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/cpufreq/longhaul.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.10","versionType":"semver"},{"version":"5.4.302","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.247","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.197","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.159","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.117","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.58","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.17.8","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/cpufreq/longhaul.c"]}],"references":["https://git.kernel.org/stable/c/b02352dd2e6cca98777714cc2a27553191df70db","https://git.kernel.org/stable/c/956b56d17a89775e4957bbddefa45cd3c6c71000","https://git.kernel.org/stable/c/55cf586b9556863e3c2a45460aba71bcb2be5bcd","https://git.kernel.org/stable/c/fd93e1d71b3b14443092919be12b1abf08de35eb","https://git.kernel.org/stable/c/8d6791c480f22d6e9a566eaa77336d3d37c5c591","https://git.kernel.org/stable/c/64adabb6d9d51b7e7c02fe733346a2c4dd738488","https://git.kernel.org/stable/c/809cf2a7794ca4c14c304b349f4c3ae220701ce4","https://git.kernel.org/stable/c/592532a77b736b5153e0c2e4c74aa50af0a352ab"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:56.034Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/68xxx/CVE-2025-68177.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-68177","state":"PUBLISHED","datePublished":"2025-12-16T13:42:56.336Z","dateUpdated":"2026-05-11T21:48:09.012Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-16T13:41:40.251Z"},"containers":{"cna":{"title":"cpufreq/longhaul: handle NULL policy in longhaul_exit","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncpufreq/longhaul: handle NULL policy in longhaul_exit\n\nlonghaul_exit() was calling cpufreq_cpu_get(0) without checking\nfor a NULL policy pointer. On some systems, this could lead to a\nNULL dereference and a kernel warning or panic.\n\nThis patch adds a check using unlikely() and returns early if the\npolicy is NULL.\n\nBugzilla: #219962"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b43a7ffbf33be7e4d3b10b7714ee663ea2c52fe2","status":"affected","lessThan":"b02352dd2e6cca98777714cc2a27553191df70db","versionType":"git"},{"version":"b43a7ffbf33be7e4d3b10b7714ee663ea2c52fe2","status":"affected","lessThan":"956b56d17a89775e4957bbddefa45cd3c6c71000","versionType":"git"},{"version":"b43a7ffbf33be7e4d3b10b7714ee663ea2c52fe2","status":"affected","lessThan":"55cf586b9556863e3c2a45460aba71bcb2be5bcd","versionType":"git"},{"version":"b43a7ffbf33be7e4d3b10b7714ee663ea2c52fe2","status":"affected","lessThan":"fd93e1d71b3b14443092919be12b1abf08de35eb","versionType":"git"},{"version":"b43a7ffbf33be7e4d3b10b7714ee663ea2c52fe2","status":"affected","lessThan":"8d6791c480f22d6e9a566eaa77336d3d37c5c591","versionType":"git"},{"version":"b43a7ffbf33be7e4d3b10b7714ee663ea2c52fe2","status":"affected","lessThan":"64adabb6d9d51b7e7c02fe733346a2c4dd738488","versionType":"git"},{"version":"b43a7ffbf33be7e4d3b10b7714ee663ea2c52fe2","status":"affected","lessThan":"809cf2a7794ca4c14c304b349f4c3ae220701ce4","versionType":"git"},{"version":"b43a7ffbf33be7e4d3b10b7714ee663ea2c52fe2","status":"affected","lessThan":"592532a77b736b5153e0c2e4c74aa50af0a352ab","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/cpufreq/longhaul.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.10","versionType":"semver"},{"version":"5.4.302","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.247","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.197","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.159","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.117","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.58","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.17.8","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/cpufreq/longhaul.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/b02352dd2e6cca98777714cc2a27553191df70db"},{"url":"https://git.kernel.org/stable/c/956b56d17a89775e4957bbddefa45cd3c6c71000"},{"url":"https://git.kernel.org/stable/c/55cf586b9556863e3c2a45460aba71bcb2be5bcd"},{"url":"https://git.kernel.org/stable/c/fd93e1d71b3b14443092919be12b1abf08de35eb"},{"url":"https://git.kernel.org/stable/c/8d6791c480f22d6e9a566eaa77336d3d37c5c591"},{"url":"https://git.kernel.org/stable/c/64adabb6d9d51b7e7c02fe733346a2c4dd738488"},{"url":"https://git.kernel.org/stable/c/809cf2a7794ca4c14c304b349f4c3ae220701ce4"},{"url":"https://git.kernel.org/stable/c/592532a77b736b5153e0c2e4c74aa50af0a352ab"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:48:09.012Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"5.4.302"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"5.10.247"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"5.15.197"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.1.159"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.6.117"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.12.58"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.17.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.18"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}