Incorrect Conversion between Numeric Types Affecting bpftool package, versions <0:5.14.0-162.6.1.el9_1
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Test your applications- Snyk ID SNYK-ALMALINUX9-BPFTOOL-5646709
- published 28 May 2023
- disclosed 15 Nov 2022
Introduced: 15 Nov 2022
CVE-2022-2639 Open this link in a new tabHow to fix?
Upgrade AlmaLinux:9 bpftool to version 0:5.14.0-162.6.1.el9_1 or higher.
This issue was patched in ALSA-2022:8267.
NVD Description
Note: Versions mentioned in the description apply only to the upstream bpftool package and not the bpftool package as distributed by AlmaLinux.
See How to fix? for AlmaLinux:9 relevant fixed versions and status.
An integer coercion error was found in the openvswitch kernel module. Given a sufficiently large number of actions, while copying and reserving memory for a new action of a new flow, the reserve_sfa_size() function does not return -EMSGSIZE as expected, potentially leading to an out-of-bounds write access. This flaw allows a local user to crash or potentially escalate their privileges on the system.
References
- https://errata.almalinux.org/8/ALSA-2022-7444.html
- https://errata.almalinux.org/8/ALSA-2022-7683.html
- https://errata.almalinux.org/9/ALSA-2022-7933.html
- https://errata.almalinux.org/9/ALSA-2022-8267.html
- https://access.redhat.com/security/cve/CVE-2022-2639
- https://access.redhat.com/errata/RHSA-2022:7444
- https://access.redhat.com/errata/RHSA-2022:7683
- https://access.redhat.com/errata/RHSA-2022:7933
- https://access.redhat.com/errata/RHSA-2022:8267
- https://bugzilla.redhat.com/show_bug.cgi?id=2084479
- https://github.com/torvalds/linux/commit/cefa91b2332d7009bc0be5d951d6cbbf349f90f8