Bug 2224048 (CVE-2023-3812)
| Summary: | CVE-2023-3812 kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags | ||
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| Product: | [Other] Security Response | Reporter: | Alex <allarkin> |
| Component: | vulnerability | Assignee: | Nobody <nobody> |
| Status: | NEW --- | QA Contact: | |
| Severity: | high | Docs Contact: | |
| Priority: | high | ||
| Version: | unspecified | CC: | acaringi, allarkin, bhu, chwhite, crwood, dbohanno, ddepaula, debarbos, dfreiber, dvlasenk, ezulian, hkrzesin, jarod, jburrell, jdenham, jfaracco, jferlan, jforbes, jlelli, joe.lawrence, jpoimboe, jshortt, jstancek, jwyatt, kcarcia, kernel-mgr, kpatch-maint-bot, kyoshida, ldoskova, lgoncalv, lzampier, nmurray, ptalbert, qzhao, rhandlin, rogbas, rrobaina, rvrbovsk, rysulliv, scweaver, tglozar, tyberry, vkumar, walters, wcosta, williams, wmealing, ycote, ymankad |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | kernel 6.1-rc4 | Doc Type: | If docs needed, set a value |
| Doc Text: |
An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious (too big) networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially 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: | 2224054, 2224270, 2224271, 2224272, 2224273, 2224275, 2224276, 2224277, 2224278, 2224279, 2224280, 2224281, 2224282, 2224283, 2224284, 2224285, 2224286, 2224287, 2224288, 2224290, 2224291, 2224292, 2224293, 2224294, 2224295, 2224296 | ||
| Bug Blocks: | 2223202 | ||
Created kernel tracking bugs for this issue: Affects: fedora-all [bug 2224054] This was fixed for Fedora with the 6.0.8 stable kernel updates. This issue has been addressed in the following products: Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions Via RHSA-2023:6799 https://access.redhat.com/errata/RHSA-2023:6799 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions Via RHSA-2023:6813 https://access.redhat.com/errata/RHSA-2023:6813 This issue has been addressed in the following products: Red Hat Enterprise Linux 9.2 Extended Update Support Via RHSA-2023:7379 https://access.redhat.com/errata/RHSA-2023:7379 This issue has been addressed in the following products: Red Hat Enterprise Linux 9.0 Extended Update Support Via RHSA-2023:7389 https://access.redhat.com/errata/RHSA-2023:7389 This issue has been addressed in the following products: Red Hat Enterprise Linux 9.0 Extended Update Support Via RHSA-2023:7382 https://access.redhat.com/errata/RHSA-2023:7382 This issue has been addressed in the following products: Red Hat Enterprise Linux 9.2 Extended Update Support Via RHSA-2023:7370 https://access.redhat.com/errata/RHSA-2023:7370 This issue has been addressed in the following products: Red Hat Enterprise Linux 9.0 Extended Update Support Via RHSA-2023:7411 https://access.redhat.com/errata/RHSA-2023:7411 This issue has been addressed in the following products: Red Hat Enterprise Linux 9.2 Extended Update Support Via RHSA-2023:7418 https://access.redhat.com/errata/RHSA-2023:7418 This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2023:7548 https://access.redhat.com/errata/RHSA-2023:7548 This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2023:7549 https://access.redhat.com/errata/RHSA-2023:7549 This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2023:7554 https://access.redhat.com/errata/RHSA-2023:7554 This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2024:0340 https://access.redhat.com/errata/RHSA-2024:0340 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.6 Extended Update Support Via RHSA-2024:0378 https://access.redhat.com/errata/RHSA-2024:0378 This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2024:0461 https://access.redhat.com/errata/RHSA-2024:0461 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.6 Extended Update Support Via RHSA-2024:0412 https://access.redhat.com/errata/RHSA-2024:0412 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.8 Extended Update Support Via RHSA-2024:0554 https://access.redhat.com/errata/RHSA-2024:0554 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 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 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 8.8 Extended Update Support Via RHSA-2024:0575 https://access.redhat.com/errata/RHSA-2024:0575 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions Via RHSA-2024:1961 https://access.redhat.com/errata/RHSA-2024:1961 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.2 Telecommunications Update Service Via RHSA-2024:2008 https://access.redhat.com/errata/RHSA-2024:2008 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-2024:2006 https://access.redhat.com/errata/RHSA-2024:2006 |
A flaw in the Linux Kernel found. If napi frags enabled and patch 363a5328f4b0 ("net: tun: fix bugs for oversize packet when napi frags enabled") not applied, then when local user try to send too large IPV6 packet (with big packet length), it can lead to out of bounds memory bug. Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=363a5328f4b0