5.5
MEDIUM
CVSS 3.1
CVE-2026-46291
crypto: caam - guard HMAC key hex dumps in hash_digest_key
Overview
Description
In the Linux kernel, the following vulnerability has been resolved: crypto: caam - guard HMAC key hex dumps in hash_digest_key Use print_hex_dump_devel() for dumping sensitive HMAC key bytes in hash_digest_key() to avoid leaking secrets at runtime when CONFIG_DYNAMIC_DEBUG is enabled.
Details
INFO
Published Date :
June 8, 2026, 5:16 p.m.
Last Modified :
July 23, 2026, 8:10 a.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Scoring
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework
for assessing the severity of vulnerabilities in software and systems.
We collect and displays CVSS scores from various sources for each CVE.
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
Apply kernel updates to prevent sensitive key data exposure.
- Update the Linux kernel to the latest version.
- Ensure CONFIG_DYNAMIC_DEBUG is not enabled.
- Review crypto module configurations.
References
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-46291.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-46291 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-46291
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-46291 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-46291 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Translated by [email protected]
Jul. 23, 2026
Action Type Old Value New Value Added Translation Title: Linux, Description: En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta: crypto: caam - proteger los volcados hexadecimales de claves HMAC en hash_digest_key Usar print_hex_dump_devel() para volcar bytes de claves HMAC sensibles en hash_digest_key() para evitar la fuga de secretos en tiempo de ejecución cuando CONFIG_DYNAMIC_DEBUG está habilitado. -
Initial Analysis by [email protected]
Jul. 08, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.18.30 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.19 up to (excluding) 7.0.7 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.88 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.140 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.176 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.210 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.6 up to (excluding) 5.10.259 Added Reference Type kernel.org: https://git.kernel.org/stable/c/177730a273b18e195263ed953853273e901b5064 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/2adbfca7452eeac45117b8e803288a2767f7075f Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/5cffe3c136891aa4d579bf5c079a68f7cb371b0c Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/a9207798fe619cbc85c8744a9b9e2af1db2b6e1a Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/b8f12d9b00c1950779e5679b9c13908584682bb6 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/c7e52fe3f7901ccb9cd29b3f7c683d809ba87e48 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/cd849c07b8d706425e60a4dfcef54b7b67c967ce Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/e8e72fdf47bd5ef7abe642b034c6178a61a8580a Types: Patch -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jun. 19, 2026
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/a9207798fe619cbc85c8744a9b9e2af1db2b6e1a Added Reference https://git.kernel.org/stable/c/cd849c07b8d706425e60a4dfcef54b7b67c967ce Added Reference https://git.kernel.org/stable/c/e8e72fdf47bd5ef7abe642b034c6178a61a8580a Changed Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '045e36780f11523e26d1e4a8c78bdc57f4003bd0', 'lessThan': '2adbfca7452eeac45117b8e803288a2767f7075f', 'versionType': 'git'}, {'status': 'affected', 'version': '045e36780f11523e26d1e4a8c78bdc57f4003bd0', 'lessThan': 'c7e52fe3f7901ccb9cd29b3f7c683d809ba87e48', 'versionType': 'git'}, {'status': 'affected', 'version': '045e36780f11523e26d1e4a8c78bdc57f4003bd0', 'lessThan': '5cffe3c136891aa4d579bf5c079a68f7cb371b0c', 'versionType': 'git'}, {'status': 'affected', 'version': '045e36780f11523e26d1e4a8c78bdc57f4003bd0', 'lessThan': 'b8f12d9b00c1950779e5679b9c13908584682bb6', 'versionType': 'git'}, {'status': 'affected', 'version': '045e36780f11523e26d1e4a8c78bdc57f4003bd0', 'lessThan': '177730a273b18e195263ed953853273e901b5064', 'versionType': 'git'}], 'programFiles': ['drivers/crypto/caam/caamalg_qi2.c', 'drivers/crypto/caam/caamhash.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '3.6'}, {'status': 'unaffected', 'version': '0', 'lessThan': '3.6', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.6.140', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.88', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.30', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.0.7', 'versionType': 'semver', 'lessThanOrEqual': '7.0.*'}, {'status': 'unaffected', 'version': '7.1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/crypto/caam/caamalg_qi2.c', 'drivers/crypto/caam/caamhash.c'], 'defaultStatus': 'affected'}] [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '045e36780f11523e26d1e4a8c78bdc57f4003bd0', 'lessThan': 'e8e72fdf47bd5ef7abe642b034c6178a61a8580a', 'versionType': 'git'}, {'status': 'affected', 'version': '045e36780f11523e26d1e4a8c78bdc57f4003bd0', 'lessThan': 'cd849c07b8d706425e60a4dfcef54b7b67c967ce', 'versionType': 'git'}, {'status': 'affected', 'version': '045e36780f11523e26d1e4a8c78bdc57f4003bd0', 'lessThan': 'a9207798fe619cbc85c8744a9b9e2af1db2b6e1a', 'versionType': 'git'}, {'status': 'affected', 'version': '045e36780f11523e26d1e4a8c78bdc57f4003bd0', 'lessThan': '2adbfca7452eeac45117b8e803288a2767f7075f', 'versionType': 'git'}, {'status': 'affected', 'version': '045e36780f11523e26d1e4a8c78bdc57f4003bd0', 'lessThan': 'c7e52fe3f7901ccb9cd29b3f7c683d809ba87e48', 'versionType': 'git'}, {'status': 'affected', 'version': '045e36780f11523e26d1e4a8c78bdc57f4003bd0', 'lessThan': '5cffe3c136891aa4d579bf5c079a68f7cb371b0c', 'versionType': 'git'}, {'status': 'affected', 'version': '045e36780f11523e26d1e4a8c78bdc57f4003bd0', 'lessThan': 'b8f12d9b00c1950779e5679b9c13908584682bb6', 'versionType': 'git'}, {'status': 'affected', 'version': '045e36780f11523e26d1e4a8c78bdc57f4003bd0', 'lessThan': '177730a273b18e195263ed953853273e901b5064', 'versionType': 'git'}], 'programFiles': ['drivers/crypto/caam/caamalg_qi2.c', 'drivers/crypto/caam/caamhash.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '3.6'}, {'status': 'unaffected', 'version': '0', 'lessThan': '3.6', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '5.10.259', 'versionType': 'semver', 'lessThanOrEqual': '5.10.*'}, {'status': 'unaffected', 'version': '5.15.210', 'versionType': 'semver', 'lessThanOrEqual': '5.15.*'}, {'status': 'unaffected', 'version': '6.1.176', 'versionType': 'semver', 'lessThanOrEqual': '6.1.*'}, {'status': 'unaffected', 'version': '6.6.140', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.88', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.30', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.0.7', 'versionType': 'semver', 'lessThanOrEqual': '7.0.*'}, {'status': 'unaffected', 'version': '7.1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/crypto/caam/caamalg_qi2.c', 'drivers/crypto/caam/caamhash.c'], 'defaultStatus': 'affected'}] -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '045e36780f11523e26d1e4a8c78bdc57f4003bd0', 'lessThan': '2adbfca7452eeac45117b8e803288a2767f7075f', 'versionType': 'git'}, {'status': 'affected', 'version': '045e36780f11523e26d1e4a8c78bdc57f4003bd0', 'lessThan': 'c7e52fe3f7901ccb9cd29b3f7c683d809ba87e48', 'versionType': 'git'}, {'status': 'affected', 'version': '045e36780f11523e26d1e4a8c78bdc57f4003bd0', 'lessThan': '5cffe3c136891aa4d579bf5c079a68f7cb371b0c', 'versionType': 'git'}, {'status': 'affected', 'version': '045e36780f11523e26d1e4a8c78bdc57f4003bd0', 'lessThan': 'b8f12d9b00c1950779e5679b9c13908584682bb6', 'versionType': 'git'}, {'status': 'affected', 'version': '045e36780f11523e26d1e4a8c78bdc57f4003bd0', 'lessThan': '177730a273b18e195263ed953853273e901b5064', 'versionType': 'git'}], 'programFiles': ['drivers/crypto/caam/caamalg_qi2.c', 'drivers/crypto/caam/caamhash.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '3.6'}, {'status': 'unaffected', 'version': '0', 'lessThan': '3.6', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.6.140', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.88', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.30', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.0.7', 'versionType': 'semver', 'lessThanOrEqual': '7.0.*'}, {'status': 'unaffected', 'version': '7.1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/crypto/caam/caamalg_qi2.c', 'drivers/crypto/caam/caamhash.c'], 'defaultStatus': 'affected'}] -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jun. 08, 2026
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: crypto: caam - guard HMAC key hex dumps in hash_digest_key Use print_hex_dump_devel() for dumping sensitive HMAC key bytes in hash_digest_key() to avoid leaking secrets at runtime when CONFIG_DYNAMIC_DEBUG is enabled. Added Reference https://git.kernel.org/stable/c/177730a273b18e195263ed953853273e901b5064 Added Reference https://git.kernel.org/stable/c/2adbfca7452eeac45117b8e803288a2767f7075f Added Reference https://git.kernel.org/stable/c/5cffe3c136891aa4d579bf5c079a68f7cb371b0c Added Reference https://git.kernel.org/stable/c/b8f12d9b00c1950779e5679b9c13908584682bb6 Added Reference https://git.kernel.org/stable/c/c7e52fe3f7901ccb9cd29b3f7c683d809ba87e48
EPSS is a daily estimate of the probability of exploitation activity
being observed over the next 30 days. Following chart shows the EPSS
score history of the vulnerability.