CVE-2026-63824
KEYS: fix overflow in keyctl_pkey_params_get_2()
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: KEYS: fix overflow in keyctl_pkey_params_get_2() The length for the internal output buffer is calculated incorrectly, which can result overflow when a too small buffer is provided. Fix the bug by allocating internal output with the size of the maximum length of the cryptographic primitive instead of caller provided size.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Jul 19, 2026 |
Stay Ahead of the Next One
Get instant alerts for linux linux
Be the first to know when new unknown vulnerabilities affecting linux linux are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
Affected Versions
Linux / Linux
00d60fd3b93219ea854220f0fd264b86398cbc53 < 622ec2dcd59f21623f2a7ab773c80ceb7d555e3a 00d60fd3b93219ea854220f0fd264b86398cbc53 < b1e247338bc71826a2d2def3e0874c34749df69a 00d60fd3b93219ea854220f0fd264b86398cbc53 < 0f3058d7d26f81df9b68a18ddbe164bdc3c5eff3 00d60fd3b93219ea854220f0fd264b86398cbc53 < 5966e4e2ba213ab7ad559166152eb4f1f170dd2c 00d60fd3b93219ea854220f0fd264b86398cbc53 < 5165f1cc727f1322456735df212d8e26ec237a8d 00d60fd3b93219ea854220f0fd264b86398cbc53 < b11c1fa32667692a2c0566e10163758e786e430c 00d60fd3b93219ea854220f0fd264b86398cbc53 < 670fc6a311ed321522b7fff92cf0fc376b4f6e78 00d60fd3b93219ea854220f0fd264b86398cbc53 < cb481e59ea6cae3b7796ac1d7a22b6b24c3f3c0b
Linux / Linux
4.20
References
git.kernel.org: https://git.kernel.org/stable/c/622ec2dcd59f21623f2a7ab773c80ceb7d555e3a git.kernel.org: https://git.kernel.org/stable/c/b1e247338bc71826a2d2def3e0874c34749df69a git.kernel.org: https://git.kernel.org/stable/c/0f3058d7d26f81df9b68a18ddbe164bdc3c5eff3 git.kernel.org: https://git.kernel.org/stable/c/5966e4e2ba213ab7ad559166152eb4f1f170dd2c git.kernel.org: https://git.kernel.org/stable/c/5165f1cc727f1322456735df212d8e26ec237a8d git.kernel.org: https://git.kernel.org/stable/c/b11c1fa32667692a2c0566e10163758e786e430c git.kernel.org: https://git.kernel.org/stable/c/670fc6a311ed321522b7fff92cf0fc376b4f6e78 git.kernel.org: https://git.kernel.org/stable/c/cb481e59ea6cae3b7796ac1d7a22b6b24c3f3c0b