VulnerabilityModified
CVE-2021-4204
An out-of-bounds (OOB) memory access flaw was found in the Linux kernel's eBPF due to an Improper Input Validation.
HIGH 7.1EPSS 1.22%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.22%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An out-of-bounds (OOB) memory access flaw was found in the Linux kernel's eBPF due to an Improper Input Validation. This flaw allows a local attacker with a special privilege to crash the system or leak internal information.
- CVSS 3.1
- 7.1 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- EPSS
- 1.22% probability · 67th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20, CWE-119
- Affected
- linux/linux kernel · debian/debian linux · redhat/enterprise linux · netapp/h300s firmware · netapp/h500s firmware · netapp/h700s firmware · netapp/h410s firmware · netapp/h410c firmware
- Source
- secalert@redhat.com
References
- https://access.redhat.com/security/cve/CVE-2021-4204Mitigation, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2039178Issue Tracking, Third Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2021-4204Third Party Advisory
- https://security.netapp.com/advisory/ntap-20221228-0003/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/01/11/4Mailing List, Patch, Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2021-4204Mitigation, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2039178Issue Tracking, Third Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2021-4204Third Party Advisory
- https://security.netapp.com/advisory/ntap-20221228-0003/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/01/11/4Mailing List, Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.