Bug 2175903 (CVE-2023-1206)
| Summary: | CVE-2023-1206 kernel: hash collisions in the IPv6 connection lookup table | ||
|---|---|---|---|
| Product: | [Other] Security Response | Reporter: | Alex <allarkin> |
| Component: | vulnerability | Assignee: | Nobody <nobody> |
| Status: | NEW --- | QA Contact: | |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | unspecified | CC: | acaringi, allarkin, atenart, bhu, carnil, chwhite, crwood, dbohanno, ddepaula, debarbos, dfreiber, drow, dvlasenk, ezulian, fhrbata, fmaurer, gcovolo, hkrzesin, jarod, jburrell, jdenham, jfaracco, jferlan, jforbes, jlelli, joe.lawrence, jshortt, jstancek, jwyatt, kcarcia, kernel-mgr, ldoskova, lgoncalv, lzampier, mleitner, nmurray, ptalbert, qzhao, rogbas, rrobaina, rvrbovsk, rysulliv, scweaver, sukulkar, tyberry, vkumar, walters, wcosta, williams, wmealing, ycote, ymankad |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | kernel 6.5-rc1 | Doc Type: | If docs needed, set a value |
| Doc Text: |
A hash collision flaw was found in the IPv6 connection lookup table in the Linux kernel’s IPv6 functionality when a user makes a new kind of SYN flood attack. A user located in the local network or with a high bandwidth connection can increase the CPU usage of the server that accepts IPV6 connections up to 95%.
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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: | 2176117, 2176118, 2176119, 2176120, 2217240, 2233500, 2233502 | ||
| Bug Blocks: | 2174096 | ||
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Description
Alex
2023-03-06 18:10:51 UTC
Created kernel tracking bugs for this issue: Affects: fedora-all [bug 2217240] Is https://git.kernel.org/linus/d11b0df7ddf1831f3e170972f43186dad520bfcc the fix for this issue? (which would be in 6.5-rc4)? In reply to comment #19: > Is https://git.kernel.org/linus/d11b0df7ddf1831f3e170972f43186dad520bfcc the > fix for this issue? (which would be in 6.5-rc4)? Yes, the similar upstream fix has been merged into net.git: https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=d11b0df7ddf1831f3e170972f43186dad520bfcc The previous ( https://lore.kernel.org/netdev/CANn89i%2B6d9K1VwNK1Joc-Yb_4jAfV_YFzk%3Dz_K2_Oy%2BxJHSn_g%40mail.gmail.com/T/ ) were not accepted. 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 9.0 Extended Update Support Via RHSA-2023:5603 https://access.redhat.com/errata/RHSA-2023:5603 This issue has been addressed in the following products: Red Hat Enterprise Linux 9.0 Extended Update Support Via RHSA-2023:5604 https://access.redhat.com/errata/RHSA-2023:5604 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.6 Extended Update Support Via RHSA-2023:5627 https://access.redhat.com/errata/RHSA-2023:5627 This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2023:6583 https://access.redhat.com/errata/RHSA-2023:6583 This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2023:6901 https://access.redhat.com/errata/RHSA-2023:6901 This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2023:7077 https://access.redhat.com/errata/RHSA-2023:7077 This comment was flagged a spam, view the edit history to see the original text if required. |