Bug 2088021 (CVE-2022-29581)
| Summary: | CVE-2022-29581 kernel: use-after-free due to improper update of reference count in net/sched/cls_u32.c | ||
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| Product: | [Other] Security Response | Reporter: | Guilherme de Almeida Suckevicz <gsuckevi> |
| Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
| Status: | CLOSED ERRATA | QA Contact: | |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | unspecified | CC: | acaringi, adscvr, airlied, alciregi, bdettelb, bhu, bskeggs, chwhite, crwood, ddepaula, dhoward, dvlasenk, fhrbata, hdegoede, hkrzesin, hpa, jarod, jarodwilson, jburrell, jfaracco, jferlan, jforbes, jglisse, jlelli, joe.lawrence, jonathan, josef, jpazdziora, jshortt, jstancek, jwboyer, jwyatt, kcarcia, kernel-maint, kernel-mgr, kyoshida, lgoncalv, linville, lzampier, masami256, mchehab, nmurray, pmatouse, ptalbert, qzhao, rkeshri, rvrbovsk, scweaver, steved, vkumar, walters, williams |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | kernel 5.18 rc4 | Doc Type: | If docs needed, set a value |
| Doc Text: |
A use-after-free flaw was found in u32_change in net/sched/cls_u32.c in the network subcomponent of the Linux kernel. This flaw allows a local attacker to crash the system, cause a privilege escalation, and leak kernel information.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2022-12-05 08:36:23 UTC | 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: | 2080193, 2081283, 2088023, 2089109, 2089110, 2089111, 2089112, 2090410 | ||
| Bug Blocks: | 2088024 | ||
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Description
Guilherme de Almeida Suckevicz
2022-05-18 16:50:07 UTC
Created kernel tracking bugs for this issue: Affects: fedora-all [bug 2088023] This was fixed for fedora with the 5.17.5 stable kernel update. This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2022:7444 https://access.redhat.com/errata/RHSA-2022:7444 This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2022:7683 https://access.redhat.com/errata/RHSA-2022:7683 This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2022:7933 https://access.redhat.com/errata/RHSA-2022:7933 This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2022:8267 https://access.redhat.com/errata/RHSA-2022:8267 This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2022-29581 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.6 Extended Update Support Via RHSA-2024:0930 https://access.redhat.com/errata/RHSA-2024:0930 |