Bug 2039178 (CVE-2021-4204) - CVE-2021-4204 kernel: improper input validation may lead to privilege escalation
Summary: CVE-2021-4204 kernel: improper input validation may lead to privilege escalation
Keywords:
Status: NEW
Alias: CVE-2021-4204
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2039896 2055038 2055039 2055040 2055041
Blocks: 2039179 2039180
TreeView+ depends on / blocked
 
Reported: 2022-01-11 07:13 UTC by Marian Rehak
Modified: 2022-12-31 23:34 UTC (History)
48 users (show)

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Doc Text:
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.
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Description Marian Rehak 2022-01-11 07:13:11 UTC 
An out of bounds (OOB) memory access flaw was found in the Linux kernel's eBPF due to an Improper Input Validation. This could allow a local attacker with a special privilege to crash the system or leak kernel internal information.

Reference:
https://www.openwall.com/lists/oss-security/2022/01/11/4
Comment 1 Guilherme de Almeida Suckevicz 2022-01-12 16:59:17 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2039896]
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