Vulnerability Details : CVE-2022-0264
A vulnerability was found in the Linux kernel's eBPF verifier when handling internal data structures. Internal memory locations could be returned to userspace. A local attacker with the permissions to insert eBPF code to the kernel can use this to leak internal kernel memory details defeating some of the exploit mitigations in place for the kernel. This flaws affects kernel versions < v5.16-rc6
Products affected by CVE-2022-0264
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.16:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.16:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.16:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.16:-:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.16:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.16:rc5:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-0264
0.01%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 1 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-0264
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:P/I:N/A:N |
3.9
|
2.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2022-0264
-
The product does not handle or incorrectly handles an exceptional condition.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
References for CVE-2022-0264
-
https://bugzilla.redhat.com/show_bug.cgi?id=2041547
2041547 – (CVE-2022-0264) CVE-2022-0264 kernel: address leakage in BPF atomic fetchIssue Tracking;Patch;Third Party Advisory
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