{"id":"CVE-2025-38559","summary":"platform/x86/intel/pmt: fix a crashlog NULL pointer access","details":"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 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 \u003cTASK\u003e\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.","modified":"2026-04-02T12:48:02.011729Z","published":"2025-08-19T17:02:37.020Z","related":["SUSE-SU-2025:21074-1","SUSE-SU-2025:21139-1","SUSE-SU-2025:21179-1","openSUSE-SU-2025:20081-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38559.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/089d05266b2caf020ac2ae2cd2be78f580268f5d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/18d53b543b5447478e259c96ca4688393f327c98"},{"type":"WEB","url":"https://git.kernel.org/stable/c/54d5cd4719c5e87f33d271c9ac2e393147d934f8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/860d93bd6a21f08883711196344c353bc3936a2b"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38559.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-38559"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"045a513040cc0242d364c05c3791594e2294f32d"},{"fixed":"860d93bd6a21f08883711196344c353bc3936a2b"},{"fixed":"18d53b543b5447478e259c96ca4688393f327c98"},{"fixed":"089d05266b2caf020ac2ae2cd2be78f580268f5d"},{"fixed":"54d5cd4719c5e87f33d271c9ac2e393147d934f8"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-38559.json"}}],"schema_version":"1.7.5"}