{"id":"CVE-2025-38559","title":"platform/x86/intel/pmt: fix a crashlog NULL pointer access","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86/intel/pmt: fix a crashlog NULL pointer access\n\nUsage of the intel_pmt_read() for binary sysfs, requires a pcidev. The\ncurrent use of the endpoint value is …","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 045a513040cc0242d364c05c3791594e2294f32d < 860d93bd6a21f08883711196344c353bc3936a2b","Linux >= 045a513040cc0242d364c05c3791594e2294f32d < 18d53b543b5447478e259c96ca4688393f327c98","Linux >= 045a513040cc0242d364c05c3791594e2294f32d < 089d05266b2caf020ac2ae2cd2be78f580268f5d","Linux >= 045a513040cc0242d364c05c3791594e2294f32d < 54d5cd4719c5e87f33d271c9ac2e393147d934f8","Linux 6.12"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T21:03:56.111393Z"},"published":"2025-08-19","updated":"2026-11-05","sourceUpdated":"2026-11-05T21:12:47.026Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-38559","references":[{"url":"https://git.kernel.org/stable/c/860d93bd6a21f08883711196344c353bc3936a2b"},{"url":"https://git.kernel.org/stable/c/18d53b543b5447478e259c96ca4688393f327c98"},{"url":"https://git.kernel.org/stable/c/089d05266b2caf020ac2ae2cd2be78f580268f5d"},{"url":"https://git.kernel.org/stable/c/54d5cd4719c5e87f33d271c9ac2e393147d934f8"}],"tags":["cve.org"],"epss":0.00165,"epssPercentile":0.05818,"ingestedAt":"2026-11-05T22:38:31.993Z","slug":"CVE-2025-38559","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86/intel/pmt: fix a crashlog NULL pointer access\n\nUsage of the intel_pmt_read() for binary sysfs, requires a pcidev. The\ncurrent use of the endpoint value is only valid for telemetry endpoint\nusage.\n\nWithout the ep, the crashlog usage causes the following NULL pointer\nexception:\n\nBUG: kernel NULL pointer dereference, address: 0000000000000000\nOops: Oops: 0000 [#1] SMP NOPTI\nRIP: 0010:intel_pmt_read+0x3b/0x70 [pmt_class]\nCode:\nCall Trace:\n <TASK>\n ? sysfs_kf_bin_read+0xc0/0xe0\n kernfs_fop_read_iter+0xac/0x1a0\n vfs_read+0x26d/0x350\n ksys_read+0x6b/0xe0\n __x64_sys_read+0x1d/0x30\n x64_sys_call+0x1bc8/0x1d70\n do_syscall_64+0x6d/0x110\n\nAugment struct intel_pmt_entry with a pointer to the pcidev to avoid\nthe NULL pointer exception.\n\n## Affected\n\n- `Linux >= 045a513040cc0242d364c05c3791594e2294f32d < 860d93bd6a21f08883711196344c353bc3936a2b`\n- `Linux >= 045a513040cc0242d364c05c3791594e2294f32d < 18d53b543b5447478e259c96ca4688393f327c98`\n- `Linux >= 045a513040cc0242d364c05c3791594e2294f32d < 089d05266b2caf020ac2ae2cd2be78f580268f5d`\n- `Linux >= 045a513040cc0242d364c05c3791594e2294f32d < 54d5cd4719c5e87f33d271c9ac2e393147d934f8`\n- `Linux 6.12`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}