CVE-2023-54073 - Vulnerability Details

- tpm: Add !tpm_amd_is_rng_defective() to the hwrng_unregister() call site

Description

In the Linux kernel, the following vulnerability has been resolved:

tpm: Add !tpm_amd_is_rng_defective() to the hwrng_unregister() call site

The following crash was reported:

[ 1950.279393] list_del corruption, ffff99560d485790->next is NULL
[ 1950.279400] ------------[ cut here ]------------
[ 1950.279401] kernel BUG at lib/list_debug.c:49!
[ 1950.279405] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
[ 1950.279407] CPU: 11 PID: 5886 Comm: modprobe Tainted: G O 6.2.8_1 #1
[ 1950.279409] Hardware name: Gigabyte Technology Co., Ltd. B550M AORUS PRO-P/B550M AORUS PRO-P,
BIOS F15c 05/11/2022
[ 1950.279410] RIP: 0010:__list_del_entry_valid+0x59/0xc0
[ 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
cc 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
ff 0f 0b 48 89 fe
[ 1950.279416] RSP: 0018:ffffa96d05647e08 EFLAGS: 00010246
[ 1950.279418] RAX: 0000000000000033 RBX: ffff99560d485750 RCX: 0000000000000000
[ 1950.279419] RDX: 0000000000000000 RSI: ffffffff9e107c59 RDI: 00000000ffffffff
[ 1950.279420] RBP: ffffffffc19c5168 R08: 0000000000000000 R09: ffffa96d05647cc8
[ 1950.279421] R10: 0000000000000003 R11: ffffffff9ea2a568 R12: 0000000000000000
[ 1950.279422] R13: ffff99560140a2e0 R14: ffff99560127d2e0 R15: 0000000000000000
[ 1950.279422] FS: 00007f67da795380(0000) GS:ffff995d1f0c0000(0000) knlGS:0000000000000000
[ 1950.279424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1950.279424] CR2: 00007f67da7e65c0 CR3: 00000001feed2000 CR4: 0000000000750ee0
[ 1950.279426] PKRU: 55555554
[ 1950.279426] Call Trace:
[ 1950.279428] <TASK>
[ 1950.279430] hwrng_unregister+0x28/0xe0 [rng_core]
[ 1950.279436] tpm_chip_unregister+0xd5/0xf0 [tpm]

Add the forgotten !tpm_amd_is_rng_defective() invariant to the
hwrng_unregister() call site inside tpm_chip_unregister().

Published: 2025-12-24

Score: 5.5 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Linux

unaffected

Version	Status	Constraints
`b006c439d58db625318bf2207feabf847510a8a6`	affected	< 1408d27f25c7b73ece7545cb6434965eedc49ddb
`b006c439d58db625318bf2207feabf847510a8a6`	affected	< 8da5ba044ea74105f3cfa182603b2f2d766fb22d
`b006c439d58db625318bf2207feabf847510a8a6`	affected	< 0af0a989e747248e05640980661225e5b94cdb9e
`b006c439d58db625318bf2207feabf847510a8a6`	affected	< bd8621ca1510e6e802df9855bdc35a04a3cfa932

Linux

affected

Version	Status	Constraints
`6.1`	affected	—
`0`	unaffected	< 6.1
`6.1.28`	unaffected	≤ 6.1.*
`6.2.15`	unaffected	≤ 6.2.*
`6.3.2`	unaffected	≤ 6.3.*
`6.4`	unaffected	≤ *

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00034.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://git.kernel.org/stable/c/0af0a989e747248e05640980661225e5b94cdb9e
https://git.kernel.org/stable/c/1408d27f25c7b73ece7545cb6434965eedc49ddb
https://git.kernel.org/stable/c/8da5ba044ea74105f3cfa182603b2f2d766fb22d
https://git.kernel.org/stable/c/bd8621ca1510e6e802df9855bdc35a04a3cfa932
https://lore.kernel.org/linux-cve-announce/2025122432-CVE-2023-54073-249f@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2023-54073
https://www.cve.org/CVERecord?id=CVE-2023-54073

History

Thu, 25 Dec 2025 12:15:00 +0000

Type	Values Removed	Values Added
References		https://lore.kernel.org/linux-cve-announce/2025122432-CVE-2023-54073-249f@gregkh/T https://nvd.nist.gov/vuln/detail/CVE-2023-54073 https://www.cve.org/CVERecord?id=CVE-2023-54073
Metrics	threat_severity `None`	cvssV3_1 `{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}` threat_severity `Low`

Wed, 24 Dec 2025 12:45:00 +0000

Type	Values Removed	Values Added
Description		In the Linux kernel, the following vulnerability has been resolved: tpm: Add !tpm_amd_is_rng_defective() to the hwrng_unregister() call site The following crash was reported: [ 1950.279393] list_del corruption, ffff99560d485790->next is NULL [ 1950.279400] ------------[ cut here ]------------ [ 1950.279401] kernel BUG at lib/list_debug.c:49! [ 1950.279405] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI [ 1950.279407] CPU: 11 PID: 5886 Comm: modprobe Tainted: G O 6.2.8_1 #1 [ 1950.279409] Hardware name: Gigabyte Technology Co., Ltd. B550M AORUS PRO-P/B550M AORUS PRO-P, BIOS F15c 05/11/2022 [ 1950.279410] RIP: 0010:__list_del_entry_valid+0x59/0xc0 [ 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 cc 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 ff 0f 0b 48 89 fe [ 1950.279416] RSP: 0018:ffffa96d05647e08 EFLAGS: 00010246 [ 1950.279418] RAX: 0000000000000033 RBX: ffff99560d485750 RCX: 0000000000000000 [ 1950.279419] RDX: 0000000000000000 RSI: ffffffff9e107c59 RDI: 00000000ffffffff [ 1950.279420] RBP: ffffffffc19c5168 R08: 0000000000000000 R09: ffffa96d05647cc8 [ 1950.279421] R10: 0000000000000003 R11: ffffffff9ea2a568 R12: 0000000000000000 [ 1950.279422] R13: ffff99560140a2e0 R14: ffff99560127d2e0 R15: 0000000000000000 [ 1950.279422] FS: 00007f67da795380(0000) GS:ffff995d1f0c0000(0000) knlGS:0000000000000000 [ 1950.279424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1950.279424] CR2: 00007f67da7e65c0 CR3: 00000001feed2000 CR4: 0000000000750ee0 [ 1950.279426] PKRU: 55555554 [ 1950.279426] Call Trace: [ 1950.279428] <TASK> [ 1950.279430] hwrng_unregister+0x28/0xe0 [rng_core] [ 1950.279436] tpm_chip_unregister+0xd5/0xf0 [tpm] Add the forgotten !tpm_amd_is_rng_defective() invariant to the hwrng_unregister() call site inside tpm_chip_unregister().
Title		tpm: Add !tpm_amd_is_rng_defective() to the hwrng_unregister() call site
First Time appeared		Linux Linux linux Kernel
CPEs		cpe:2.3:o:linux:linux_kernel::::::::
Vendors & Products		Linux Linux linux Kernel
References		https://git.kernel.org/stable/c/0af0a989e747248e05640980661225e5b94cdb9e https://git.kernel.org/stable/c/1408d27f25c7b73ece7545cb6434965eedc49ddb https://git.kernel.org/stable/c/8da5ba044ea74105f3cfa182603b2f2d766fb22d https://git.kernel.org/stable/c/bd8621ca1510e6e802df9855bdc35a04a3cfa932

Subscriptions

Linux Linux Kernel

MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2025-12-24T12:23:16.237Z

Updated: 2026-05-11T19:54:57.166Z

Reserved: 2025-12-24T12:21:05.093Z

Link: CVE-2023-54073

Vulnrichment

No data.

NVD

Status : Deferred

Published: 2025-12-24T13:16:09.150

Modified: 2026-04-15T00:35:42.020

Link: CVE-2023-54073

Redhat

Severity : Low

Publid Date: 2025-12-24T00:00:00Z

Links: CVE-2023-54073 - Bugzilla

OpenCVE Enrichment

No data.

Weaknesses

No weakness.

Tracking

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Subscriptions

JSON object

JSON object

JSON object

JSON object

JSON object