Bug 2225239 (CVE-2023-4147)
| Summary: | CVE-2023-4147 kernel: netfilter: nf_tables_newrule when adding a rule with NFTA_RULE_CHAIN_ID leads to use-after-free | ||
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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, carnil, 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, ldoskova, lgoncalv, lzampier, nmurray, psutter, ptalbert, qzhao, rhandlin, rogbas, rrobaina, rvrbovsk, scweaver, security-response-team, tglozar, vkumar, walters, wcosta, williams, wmealing, ycote, ymankad |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Kernel 6.5-rc4 | Doc Type: | If docs needed, set a value |
| Doc Text: |
A use-after-free flaw was found in the Linux kernel’s Netfilter functionality when adding a rule with NFTA_RULE_CHAIN_ID. This flaw allows a local user to crash 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: | 2225270, 2225271, 2228989, 2228990, 2228991, 2228992, 2228993, 2228994, 2228995, 2229467 | ||
| Bug Blocks: | 2225238 | ||
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Description
Alex
2023-07-24 18:01:28 UTC
(In reply to Alex from comment #0) > A flaw in the Linux Kernel found. For the netfilter, nf_tables_newrule when > adding a rule with NFTA_RULE_CHAIN_ID can lead to use-after-free. > > Reference: > TODO add link when becomes available Any more information on that? From the commit description this is https://git.kernel.org/linus/0ebc1064e4874d5987722a2ddbc18f94aa53b211 which matches as well your "Fixed In Version: Kernel 6.5-rc4" correct? In reply to comment #8: > From the commit description this is > https://git.kernel.org/linus/0ebc1064e4874d5987722a2ddbc18f94aa53b211 which > matches as well your "Fixed In Version: Kernel 6.5-rc4" correct? Yes, correct. Created kernel tracking bugs for this issue: Affects: fedora-all [bug 2229467] This was fixed for Fedora with the 6.4.8 stable kernel updates. This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2023:5091 https://access.redhat.com/errata/RHSA-2023:5091 This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2023:5093 https://access.redhat.com/errata/RHSA-2023:5093 This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2023:5069 https://access.redhat.com/errata/RHSA-2023:5069 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 9.0 Extended Update Support Via RHSA-2023:7411 https://access.redhat.com/errata/RHSA-2023:7411 |