{"id":"CVE-2023-54073","state":"PUBLISHED","title":"tpm: Add !tpm_amd_is_rng_defective() to the hwrng_unregister() call site","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ntpm: Add !tpm_amd_is_rng_defective() to the hwrng_unregister() call site\n\nThe following crash was reported:\n\n[ 1950.279393] list_del corruption, ffff99560d485790->next is NULL\n[ 1950.279400] ------------[ cut here ]------------\n[ 1950.279401] kernel BUG at lib/list_debug.c:49!\n[ 1950.279405] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI\n[ 1950.279407] CPU: 11 PID: 5886 Comm: modprobe Tainted: G O 6.2.8_1 #1\n[ 1950.279409] Hardware name: Gigabyte Technology Co., Ltd. B550M AORUS PRO-P/B550M AORUS PRO-P,\nBIOS F15c 05/11/2022\n[ 1950.279410] RIP: 0010:__list_del_entry_valid+0x59/0xc0\n[ 1950.279415] Code: 48 8b 01 48 39 f8 75 5a 48 8b 72 08 48 39 c6 75 65 b8 01 00 00 00 c3 cc cc cc\ncc 48 89 fe 48 c7 c7 08 a8 13 9e e8 b7 0a bc ff <0f> 0b 48 89 fe 48 c7 c7 38 a8 13 9e e8 a6 0a bc\nff 0f 0b 48 89 fe\n[ 1950.279416] RSP: 0018:ffffa96d05647e08 EFLAGS: 00010246\n[ 1950.279418] RAX: 0000000000000033 RBX: ffff99560d485750 RCX: 0000000000000000\n[ 1950.279419] RDX: 0000000000000000 RSI: ffffffff9e107c59 RDI: 00000000ffffffff\n[ 1950.279420] RBP: ffffffffc19c5168 R08: 0000000000000000 R09: ffffa96d05647cc8\n[ 1950.279421] R10: 0000000000000003 R11: ffffffff9ea2a568 R12: 0000000000000000\n[ 1950.279422] R13: ffff99560140a2e0 R14: ffff99560127d2e0 R15: 0000000000000000\n[ 1950.279422] FS: 00007f67da795380(0000) GS:ffff995d1f0c0000(0000) knlGS:0000000000000000\n[ 1950.279424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 1950.279424] CR2: 00007f67da7e65c0 CR3: 00000001feed2000 CR4: 0000000000750ee0\n[ 1950.279426] PKRU: 55555554\n[ 1950.279426] Call Trace:\n[ 1950.279428] <TASK>\n[ 1950.279430] hwrng_unregister+0x28/0xe0 [rng_core]\n[ 1950.279436] tpm_chip_unregister+0xd5/0xf0 [tpm]\n\nAdd the forgotten !tpm_amd_is_rng_defective() invariant to the\nhwrng_unregister() call site inside tpm_chip_unregister().","publishedAt":"2025-12-24T12:23:16.237Z","updatedAt":"2026-05-11T19:54:57.166Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b006c439d58db625318bf2207feabf847510a8a6","status":"affected","lessThan":"1408d27f25c7b73ece7545cb6434965eedc49ddb","versionType":"git"},{"version":"b006c439d58db625318bf2207feabf847510a8a6","status":"affected","lessThan":"8da5ba044ea74105f3cfa182603b2f2d766fb22d","versionType":"git"},{"version":"b006c439d58db625318bf2207feabf847510a8a6","status":"affected","lessThan":"0af0a989e747248e05640980661225e5b94cdb9e","versionType":"git"},{"version":"b006c439d58db625318bf2207feabf847510a8a6","status":"affected","lessThan":"bd8621ca1510e6e802df9855bdc35a04a3cfa932","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/char/tpm/tpm-chip.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.1","versionType":"semver"},{"version":"6.1.28","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.15","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3.2","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/char/tpm/tpm-chip.c"]}],"references":["https://git.kernel.org/stable/c/1408d27f25c7b73ece7545cb6434965eedc49ddb","https://git.kernel.org/stable/c/8da5ba044ea74105f3cfa182603b2f2d766fb22d","https://git.kernel.org/stable/c/0af0a989e747248e05640980661225e5b94cdb9e","https://git.kernel.org/stable/c/bd8621ca1510e6e802df9855bdc35a04a3cfa932"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:42.242Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/54xxx/CVE-2023-54073.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-54073","state":"PUBLISHED","datePublished":"2025-12-24T12:23:16.237Z","dateUpdated":"2026-05-11T19:54:57.166Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-24T12:21:05.093Z"},"containers":{"cna":{"title":"tpm: Add !tpm_amd_is_rng_defective() to the hwrng_unregister() call site","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ntpm: Add !tpm_amd_is_rng_defective() to the hwrng_unregister() call site\n\nThe following crash was reported:\n\n[ 1950.279393] list_del corruption, ffff99560d485790->next is NULL\n[ 1950.279400] ------------[ cut here ]------------\n[ 1950.279401] kernel BUG at lib/list_debug.c:49!\n[ 1950.279405] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI\n[ 1950.279407] CPU: 11 PID: 5886 Comm: modprobe Tainted: G O 6.2.8_1 #1\n[ 1950.279409] Hardware name: Gigabyte Technology Co., Ltd. B550M AORUS PRO-P/B550M AORUS PRO-P,\nBIOS F15c 05/11/2022\n[ 1950.279410] RIP: 0010:__list_del_entry_valid+0x59/0xc0\n[ 1950.279415] Code: 48 8b 01 48 39 f8 75 5a 48 8b 72 08 48 39 c6 75 65 b8 01 00 00 00 c3 cc cc cc\ncc 48 89 fe 48 c7 c7 08 a8 13 9e e8 b7 0a bc ff <0f> 0b 48 89 fe 48 c7 c7 38 a8 13 9e e8 a6 0a bc\nff 0f 0b 48 89 fe\n[ 1950.279416] RSP: 0018:ffffa96d05647e08 EFLAGS: 00010246\n[ 1950.279418] RAX: 0000000000000033 RBX: ffff99560d485750 RCX: 0000000000000000\n[ 1950.279419] RDX: 0000000000000000 RSI: ffffffff9e107c59 RDI: 00000000ffffffff\n[ 1950.279420] RBP: ffffffffc19c5168 R08: 0000000000000000 R09: ffffa96d05647cc8\n[ 1950.279421] R10: 0000000000000003 R11: ffffffff9ea2a568 R12: 0000000000000000\n[ 1950.279422] R13: ffff99560140a2e0 R14: ffff99560127d2e0 R15: 0000000000000000\n[ 1950.279422] FS: 00007f67da795380(0000) GS:ffff995d1f0c0000(0000) knlGS:0000000000000000\n[ 1950.279424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 1950.279424] CR2: 00007f67da7e65c0 CR3: 00000001feed2000 CR4: 0000000000750ee0\n[ 1950.279426] PKRU: 55555554\n[ 1950.279426] Call Trace:\n[ 1950.279428] <TASK>\n[ 1950.279430] hwrng_unregister+0x28/0xe0 [rng_core]\n[ 1950.279436] tpm_chip_unregister+0xd5/0xf0 [tpm]\n\nAdd the forgotten !tpm_amd_is_rng_defective() invariant to the\nhwrng_unregister() call site inside tpm_chip_unregister()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b006c439d58db625318bf2207feabf847510a8a6","status":"affected","lessThan":"1408d27f25c7b73ece7545cb6434965eedc49ddb","versionType":"git"},{"version":"b006c439d58db625318bf2207feabf847510a8a6","status":"affected","lessThan":"8da5ba044ea74105f3cfa182603b2f2d766fb22d","versionType":"git"},{"version":"b006c439d58db625318bf2207feabf847510a8a6","status":"affected","lessThan":"0af0a989e747248e05640980661225e5b94cdb9e","versionType":"git"},{"version":"b006c439d58db625318bf2207feabf847510a8a6","status":"affected","lessThan":"bd8621ca1510e6e802df9855bdc35a04a3cfa932","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/char/tpm/tpm-chip.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.1","versionType":"semver"},{"version":"6.1.28","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.15","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3.2","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/char/tpm/tpm-chip.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/1408d27f25c7b73ece7545cb6434965eedc49ddb"},{"url":"https://git.kernel.org/stable/c/8da5ba044ea74105f3cfa182603b2f2d766fb22d"},{"url":"https://git.kernel.org/stable/c/0af0a989e747248e05640980661225e5b94cdb9e"},{"url":"https://git.kernel.org/stable/c/bd8621ca1510e6e802df9855bdc35a04a3cfa932"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:54:57.166Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.1.28"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.2.15"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.3.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.4"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}