Bug 2245514 (CVE-2023-4921)
| Summary: | CVE-2023-4921 kernel: use-after-free in sch_qfq network scheduler | ||
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| Product: | [Other] Security Response | Reporter: | Alex <allarkin> |
| Component: | vulnerability | Assignee: | Product Security <prodsec-ir-bot> |
| Status: | NEW --- | QA Contact: | |
| Severity: | high | Docs Contact: | |
| Priority: | high | ||
| Version: | unspecified | CC: | acaringi, allarkin, bhu, chwhite, dbohanno, debarbos, dfreiber, dvlasenk, ezulian, hkrzesin, jarod, jburrell, jdenham, jfaracco, jforbes, jlelli, joe.lawrence, jshortt, jstancek, jwyatt, kcarcia, ldoskova, lgoncalv, nmurray, ptalbert, rogbas, rrobaina, rvrbovsk, scweaver, tglozar, vkumar, walters, wcosta, williams, wmealing, ycote |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | If docs needed, set a value | |
| Doc Text: |
A use-after-free flaw was found in qfq_dequeue and agg_dequeue in net/sched/sch_qfq.c in the Traffic Control (QoS) subsystem in the Linux kernel. This issue may allow a local user to crash the system or escalate their privileges on the system.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 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: | 2245519 | ||
| Bug Blocks: | 2230019, 2245264 | ||
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Description
Alex
2023-10-22 10:48:34 UTC
Created kernel tracking bugs for this issue: Affects: fedora-all [bug 2245519] This was fixed for Fedora with the 6.5.4 stable kernel updates. *** Bug 2230024 has been marked as a duplicate of this bug. *** This issue has been addressed in the following products: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions Red Hat Enterprise Linux 8.4 Telecommunications Update Service Via RHSA-2024:0562 https://access.redhat.com/errata/RHSA-2024:0562 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Red Hat Enterprise Linux 8.4 Telecommunications Update Service Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions Via RHSA-2024:0563 https://access.redhat.com/errata/RHSA-2024:0563 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions Via RHSA-2024:0593 https://access.redhat.com/errata/RHSA-2024:0593 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.6 Extended Update Support Via RHSA-2024:0724 https://access.redhat.com/errata/RHSA-2024:0724 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.6 Extended Update Support Via RHSA-2024:0851 https://access.redhat.com/errata/RHSA-2024:0851 This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2024:0876 https://access.redhat.com/errata/RHSA-2024:0876 This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2024:0881 https://access.redhat.com/errata/RHSA-2024:0881 This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2024:0897 https://access.redhat.com/errata/RHSA-2024:0897 This issue has been addressed in the following products: Red Hat Enterprise Linux 7.6 Advanced Update Support Via RHSA-2024:0980 https://access.redhat.com/errata/RHSA-2024:0980 This issue has been addressed in the following products: Red Hat Enterprise Linux 7.7 Advanced Update Support Via RHSA-2024:0999 https://access.redhat.com/errata/RHSA-2024:0999 This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2024:1249 https://access.redhat.com/errata/RHSA-2024:1249 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.2 Advanced Update Support Red Hat Enterprise Linux 8.2 Telecommunications Update Service Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions Via RHSA-2024:1268 https://access.redhat.com/errata/RHSA-2024:1268 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.2 Telecommunications Update Service Via RHSA-2024:1269 https://access.redhat.com/errata/RHSA-2024:1269 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions Via RHSA-2024:1278 https://access.redhat.com/errata/RHSA-2024:1278 This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2024:1323 https://access.redhat.com/errata/RHSA-2024:1323 This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2024:1332 https://access.redhat.com/errata/RHSA-2024:1332 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.8 Extended Update Support Via RHSA-2024:1368 https://access.redhat.com/errata/RHSA-2024:1368 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.8 Extended Update Support Via RHSA-2024:1404 https://access.redhat.com/errata/RHSA-2024:1404 This issue has been addressed in the following products: Red Hat Enterprise Linux 6 Extended Lifecycle Support Via RHSA-2024:1831 https://access.redhat.com/errata/RHSA-2024:1831 |