{"id":"CVE-2023-54053","state":"PUBLISHED","title":"wifi: iwlwifi: pcie: fix possible NULL pointer dereference","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: pcie: fix possible NULL pointer dereference\n\nIt is possible that iwl_pci_probe() will fail and free the trans,\nthen afterwards iwl_pci_remove() will be called and crash by trying\nto access trans which is already freed, fix it.\n\niwlwifi 0000:01:00.0: Detected crf-id 0xa5a5a5a2, cnv-id 0xa5a5a5a2\n\t\t      wfpm id 0xa5a5a5a2\niwlwifi 0000:01:00.0: Can't find a correct rfid for crf id 0x5a2\n...\nBUG: kernel NULL pointer dereference, address: 0000000000000028\n...\nRIP: 0010:iwl_pci_remove+0x12/0x30 [iwlwifi]\npci_device_remove+0x3e/0xb0\ndevice_release_driver_internal+0x103/0x1f0\ndriver_detach+0x4c/0x90\nbus_remove_driver+0x5c/0xd0\ndriver_unregister+0x31/0x50\npci_unregister_driver+0x40/0x90\niwl_pci_unregister_driver+0x15/0x20 [iwlwifi]\n__exit_compat+0x9/0x98 [iwlwifi]\n__x64_sys_delete_module+0x147/0x260","publishedAt":"2025-12-24T12:23:02.498Z","updatedAt":"2026-05-11T19:54:36.476Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"809805a820c6445f7a701ded24fdc6bbc841d1e4","status":"affected","lessThan":"f6f2d16c77f936041b8ac495fceabded4ec6c83c","versionType":"git"},{"version":"809805a820c6445f7a701ded24fdc6bbc841d1e4","status":"affected","lessThan":"0fc0d287c1e7dcb39a3b9bb0f8679cd68c2156c7","versionType":"git"},{"version":"809805a820c6445f7a701ded24fdc6bbc841d1e4","status":"affected","lessThan":"7545f21eee1356ec98581125c4dba9c4c0cc7397","versionType":"git"},{"version":"809805a820c6445f7a701ded24fdc6bbc841d1e4","status":"affected","lessThan":"0f9a1bcb94016d3a3c455a77b01f6bb06e15f6eb","versionType":"git"},{"version":"809805a820c6445f7a701ded24fdc6bbc841d1e4","status":"affected","lessThan":"dcd23aa6cc0ded7950b60ce1badb80b84045c6c0","versionType":"git"},{"version":"809805a820c6445f7a701ded24fdc6bbc841d1e4","status":"affected","lessThan":"b655b9a9f8467684cfa8906713d33b71ea8c8f54","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/intel/iwlwifi/pcie/drv.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.4","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.4","versionType":"semver"},{"version":"5.4.244","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.181","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.113","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.30","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.3.4","status":"unaffected","lessThanOrEqual":"6.3.*","versionType":"semver"},{"version":"6.4","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/intel/iwlwifi/pcie/drv.c"]}],"references":["https://git.kernel.org/stable/c/f6f2d16c77f936041b8ac495fceabded4ec6c83c","https://git.kernel.org/stable/c/0fc0d287c1e7dcb39a3b9bb0f8679cd68c2156c7","https://git.kernel.org/stable/c/7545f21eee1356ec98581125c4dba9c4c0cc7397","https://git.kernel.org/stable/c/0f9a1bcb94016d3a3c455a77b01f6bb06e15f6eb","https://git.kernel.org/stable/c/dcd23aa6cc0ded7950b60ce1badb80b84045c6c0","https://git.kernel.org/stable/c/b655b9a9f8467684cfa8906713d33b71ea8c8f54"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:42.242Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/54xxx/CVE-2023-54053.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-54053","state":"PUBLISHED","datePublished":"2025-12-24T12:23:02.498Z","dateUpdated":"2026-05-11T19:54:36.476Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-24T12:21:05.090Z"},"containers":{"cna":{"title":"wifi: iwlwifi: pcie: fix possible NULL pointer dereference","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: pcie: fix possible NULL pointer dereference\n\nIt is possible that iwl_pci_probe() will fail and free the trans,\nthen afterwards iwl_pci_remove() will be called and crash by trying\nto access trans which is already freed, fix it.\n\niwlwifi 0000:01:00.0: Detected crf-id 0xa5a5a5a2, cnv-id 0xa5a5a5a2\n\t\t      wfpm id 0xa5a5a5a2\niwlwifi 0000:01:00.0: Can't find a correct rfid for crf id 0x5a2\n...\nBUG: kernel NULL pointer dereference, address: 0000000000000028\n...\nRIP: 0010:iwl_pci_remove+0x12/0x30 [iwlwifi]\npci_device_remove+0x3e/0xb0\ndevice_release_driver_internal+0x103/0x1f0\ndriver_detach+0x4c/0x90\nbus_remove_driver+0x5c/0xd0\ndriver_unregister+0x31/0x50\npci_unregister_driver+0x40/0x90\niwl_pci_unregister_driver+0x15/0x20 [iwlwifi]\n__exit_compat+0x9/0x98 [iwlwifi]\n__x64_sys_delete_module+0x147/0x260"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"809805a820c6445f7a701ded24fdc6bbc841d1e4","status":"affected","lessThan":"f6f2d16c77f936041b8ac495fceabded4ec6c83c","versionType":"git"},{"version":"809805a820c6445f7a701ded24fdc6bbc841d1e4","status":"affected","lessThan":"0fc0d287c1e7dcb39a3b9bb0f8679cd68c2156c7","versionType":"git"},{"version":"809805a820c6445f7a701ded24fdc6bbc841d1e4","status":"affected","lessThan":"7545f21eee1356ec98581125c4dba9c4c0cc7397","versionType":"git"},{"version":"809805a820c6445f7a701ded24fdc6bbc841d1e4","status":"affected","lessThan":"0f9a1bcb94016d3a3c455a77b01f6bb06e15f6eb","versionType":"git"},{"version":"809805a820c6445f7a701ded24fdc6bbc841d1e4","status":"affected","lessThan":"dcd23aa6cc0ded7950b60ce1badb80b84045c6c0","versionType":"git"},{"version":"809805a820c6445f7a701ded24fdc6bbc841d1e4","status":"affected","lessThan":"b655b9a9f8467684cfa8906713d33b71ea8c8f54","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/intel/iwlwifi/pcie/drv.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.4","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.4","versionType":"semver"},{"version":"5.4.244","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.181","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.113","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.30","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.3.4","status":"unaffected","lessThanOrEqual":"6.3.*","versionType":"semver"},{"version":"6.4","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/intel/iwlwifi/pcie/drv.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/f6f2d16c77f936041b8ac495fceabded4ec6c83c"},{"url":"https://git.kernel.org/stable/c/0fc0d287c1e7dcb39a3b9bb0f8679cd68c2156c7"},{"url":"https://git.kernel.org/stable/c/7545f21eee1356ec98581125c4dba9c4c0cc7397"},{"url":"https://git.kernel.org/stable/c/0f9a1bcb94016d3a3c455a77b01f6bb06e15f6eb"},{"url":"https://git.kernel.org/stable/c/dcd23aa6cc0ded7950b60ce1badb80b84045c6c0"},{"url":"https://git.kernel.org/stable/c/b655b9a9f8467684cfa8906713d33b71ea8c8f54"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:54:36.476Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"5.4.244"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"5.10.181"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"5.15.113"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"6.1.30"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"6.3.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"6.4"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}