Vulnerability CVE-2022-0934: Information
Description
A single-byte, non-arbitrary write/use-after-free flaw was found in dnsmasq. This flaw allows an attacker who sends a crafted packet processed by dnsmasq, potentially causing a denial of service.
Severity: HIGH (7.5) Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Fixed packages
Package name | Branch | Fixed in version | Version from repository | Errata ID | Task # | State |
|---|---|---|---|---|---|---|
| dnsmasq | sisyphus | 2.87-alt1 | 2.90-alt1 | ALT-PU-2022-2683-1 | 307462 | Fixed |
| dnsmasq | sisyphus_e2k | 2.87-alt2.1 | 2.90-alt1 | ALT-PU-2022-6319-1 | - | Fixed |
| dnsmasq | sisyphus_riscv64 | 2.87-alt2 | 2.90-alt1 | ALT-PU-2022-6312-1 | - | Fixed |
| dnsmasq | p10 | 2.87-alt2.1 | 2.90-alt1 | ALT-PU-2022-2830-1 | 307467 | Fixed |
| dnsmasq | p10_e2k | 2.87-alt2.1 | 2.90-alt1 | ALT-PU-2022-6516-1 | - | Fixed |
| dnsmasq | p9 | 2.85-alt2.p9.1 | 2.85-alt2.p9.1 | ALT-PU-2023-8012-2 | 336361 | Fixed |
| dnsmasq | c10f1 | 2.87-alt2.1 | 2.90-alt1 | ALT-PU-2022-2830-1 | 307467 | Fixed |
| dnsmasq | c9f2 | 2.87-alt2.1 | 2.90-alt1 | ALT-PU-2022-3323-1 | 310904 | Fixed |
References to Advisories, Solutions, and Tools
Hyperlink | Resource |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=2057075 |
|
| https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016272.html |
|
| https://access.redhat.com/security/cve/CVE-2022-0934 |
|
| https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=03345ecefeb0d82e3c3a4c28f27c3554f0611b39 |
|