Bug 2010090 (CVE-2021-20320)
Summary: | CVE-2021-20320 kernel: s390 eBPF JIT miscompilation issues fixes | ||
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Product: | [Other] Security Response | Reporter: | Rohit Keshri <rkeshri> |
Component: | vulnerability | Assignee: | Nobody <nobody> |
Status: | NEW --- | QA Contact: | |
Severity: | low | Docs Contact: | |
Priority: | low | ||
Version: | unspecified | CC: | acaringi, adscvr, airlied, alciregi, bhu, chwhite, crwood, dvlasenk, hdegoede, hkrzesin, jarod, jarodwilson, jburrell, jeremy, jforbes, jglisse, jlelli, jonathan, josef, jshortt, jstancek, jwboyer, kcarcia, kernel-maint, kernel-mgr, lgoncalv, linville, masami256, mchehab, nmurray, ptalbert, qzhao, rvrbovsk, steved, vkumar, walters, williams |
Target Milestone: | --- | Keywords: | Security |
Target Release: | --- | ||
Hardware: | All | ||
OS: | Linux | ||
Whiteboard: | |||
Fixed In Version: | kernel 5.15 rc3 | Doc Type: | If docs needed, set a value |
Doc Text: |
A 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.
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Story Points: | --- |
Clone Of: | Environment: | ||
Last Closed: | Type: | --- | |
Regression: | --- | Mount Type: | --- |
Documentation: | --- | CRM: | |
Verified Versions: | Category: | --- | |
oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
Cloudforms Team: | --- | Target Upstream Version: | |
Embargoed: | |||
Bug Depends On: | 2012561, 2012691, 2012692, 2012693 | ||
Bug Blocks: | 2005824, 2013145 |
Description
Rohit Keshri
2021-10-03 15:58:21 UTC
Created kernel tracking bugs for this issue: Affects: fedora-all [bug 2012561] This was fixed for Fedora with the 5.14.7 stable kernel update. |