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.
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
| Link | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=2039178 | issue tracking third party advisory |
| https://access.redhat.com/security/cve/CVE-2021-4204 | third party advisory mitigation |
| https://www.openwall.com/lists/oss-security/2022/01/11/4 | mailing list third party advisory patch |
| https://security-tracker.debian.org/tracker/CVE-2021-4204 | third party advisory |
| https://security.netapp.com/advisory/ntap-20221228-0003/ | third party advisory |