VulnerabilityModified
CVE-2021-3764
A memory leak flaw was found in the Linux kernel's ccp_run_aes_gcm_cmd() function that allows an attacker to cause a denial of service.
MEDIUM 5.5EPSS 0.27%
Does this matter?
Lower severity and a low EPSS score (0.27%). Track it; it rarely justifies an emergency change on its own.
Description
A memory leak flaw was found in the Linux kernel's ccp_run_aes_gcm_cmd() function that allows an attacker to cause a denial of service. The vulnerability is similar to the older CVE-2019-18808. The highest threat from this vulnerability is to system availability.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.27% probability · 19th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-400, CWE-401
- Affected
- linux/linux kernel
- Source
- secalert@redhat.com
References
- https://access.redhat.com/security/cve/CVE-2021-3764Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1997467Issue Tracking, Third Party Advisory
- https://github.com/torvalds/linux/commit/505d9dcb0f7ddf9d075e729523a33d38642ae680Patch, Third Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2021-3764Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2021-3764Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1997467Issue Tracking, Third Party Advisory
- https://github.com/torvalds/linux/commit/505d9dcb0f7ddf9d075e729523a33d38642ae680Patch, Third Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2021-3764Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.