CVE-2021-20320
MediumA flaw was found in s390 eBPF JIT in bpf_jit_insn in arch/s390/net/bpf_jit_comp.c in the Linux kernel. In this flaw, a local attacker with special user privilege can circumvent the verifier and may lead to a confidentiality problem.
CVSS 3.1 score
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness type
CWE-200CVE-2021-20320 is a Information Exposure vulnerability
What is Information Exposure?
The product exposes sensitive information to an actor not authorised to see it. Learn more on MITRE CWE
References
2 total-
Issue Tracking Third Party Advisory
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Frequently asked questions
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What is CVE-2021-20320?
CVE-2021-20320 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as an Information Exposure flaw (CWE-200) . CVE-2021-20320 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2021-20320?
CVE-2021-20320 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. -
Is there a patch available for CVE-2021-20320?
Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2021-20320 patch availability.
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Is CVE-2021-20320 actively exploited?
No. CVE-2021-20320 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.