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.
References
| Link | Resource |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=2010090 | Issue Tracking Third Party Advisory |
| https://lore.kernel.org/bpf/20210902185229.1840281-1-johan.almbladh%40anyfinetworks.com/ |
Configurations
Configuration 1 (hide)
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Configuration 2 (hide)
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Configuration 3 (hide)
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History
30 Jun 2023, 16:57
| Type | Values Removed | Values Added |
|---|---|---|
| CWE | NVD-CWE-Other |
03 Mar 2022, 14:43
| Type | Values Removed | Values Added |
|---|---|---|
| CWE | CWE-200 | |
| CVSS |
v2 : v3 : |
v2 : 2.1
v3 : 5.5 |
| CPE | cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:5.15:-:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:* |
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| References | (MISC) https://lore.kernel.org/bpf/20210902185229.1840281-1-johan.almbladh@anyfinetworks.com/ - Patch, Vendor Advisory | |
| References | (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=2010090 - Issue Tracking, Third Party Advisory |
18 Feb 2022, 18:33
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2022-02-18 18:15
Updated : 2024-02-04 22:29
NVD link : CVE-2021-20320
Mitre link : CVE-2021-20320
CVE.ORG link : CVE-2021-20320
JSON object : View
Products Affected
redhat
- enterprise_linux
fedoraproject
- fedora
linux
- linux_kernel
CWE