{"schema_version":"1.9.0","id":"CVE-2023-53167","published":"2025-09-15T14:03:56.025Z","modified":"2026-08-12T03:51:12.349465835Z","related":["SUSE-SU-2025:03600-1","SUSE-SU-2025:03615-1","SUSE-SU-2025:03628-1","SUSE-SU-2025:03634-1","SUSE-SU-2025:20851-1","SUSE-SU-2025:20861-1","SUSE-SU-2025:20870-1","SUSE-SU-2025:20898-1","SUSE-SU-2025:3716-1","SUSE-SU-2025:3751-1","SUSE-SU-2025:3761-1","SUSE-SU-2025:4057-1","SUSE-SU-2025:4132-1","SUSE-SU-2025:4141-1"],"summary":"tracing: Fix null pointer dereference in tracing_err_log_open()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: Fix null pointer dereference in tracing_err_log_open()\n\nFix an issue in function 'tracing_err_log_open'.\nThe function doesn't call 'seq_open' if the file is opened only with\nwrite permissions, which results in 'file->private_data' being left as null.\nIf we then use 'lseek' on that opened file, 'seq_lseek' dereferences\n'file->private_data' in 'mutex_lock(&m->lock)', resulting in a kernel panic.\nWriting to this node requires root privileges, therefore this bug\nhas very little security impact.\n\nTracefs node: /sys/kernel/tracing/error_log\n\nExample Kernel panic:\n\nUnable to handle kernel NULL pointer dereference at virtual address 0000000000000038\nCall trace:\n mutex_lock+0x30/0x110\n seq_lseek+0x34/0xb8\n __arm64_sys_lseek+0x6c/0xb8\n invoke_syscall+0x58/0x13c\n el0_svc_common+0xc4/0x10c\n do_el0_svc+0x24/0x98\n el0_svc+0x24/0x88\n el0t_64_sync_handler+0x84/0xe4\n el0t_64_sync+0x1b4/0x1b8\nCode: d503201f aa0803e0 aa1f03e1 aa0103e9 (c8e97d02)\n---[ end trace 561d1b49c12cf8a5 ]---\nKernel panic - not syncing: Oops: Fatal exception","affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"8a062902be725f647dc8da532b04d836546a369a"},{"fixed":"93114cbc7cb169f6f26eeaed5286b91bb86b463b"},{"fixed":"7060e5aac6dc195124c106f49106d653a416323a"},{"fixed":"3b5d9b7b875968a8a8c99dac45cb85b705c44802"},{"fixed":"938d5b7a75e18264887387ddf9169db6d8aeef98"},{"fixed":"1e1c9aa9288a46c342f0f2c5c0b1c0876b9b0276"},{"fixed":"02b0095e2fbbc060560c1065f86a211d91e27b26"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53167.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.2.0"},{"fixed":"5.4.251"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.5.0"},{"fixed":"5.10.188"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.121"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.40"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.4.5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53167.json"}}],"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/02b0095e2fbbc060560c1065f86a211d91e27b26"},{"type":"WEB","url":"https://git.kernel.org/stable/c/1e1c9aa9288a46c342f0f2c5c0b1c0876b9b0276"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3b5d9b7b875968a8a8c99dac45cb85b705c44802"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7060e5aac6dc195124c106f49106d653a416323a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/93114cbc7cb169f6f26eeaed5286b91bb86b463b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/938d5b7a75e18264887387ddf9169db6d8aeef98"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53167.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53167"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53167.json"}}