Bug 2229734 (CVE-2023-2640, CVE-2023-32629)
Summary: | CVE-2023-2640 CVE-2023-32629 kernel: overlayfs: In Ubuntu skip permission checking for trusted.overlayfs.* xattrs | ||
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Product: | [Other] Security Response | Reporter: | Alex <allarkin> |
Component: | vulnerability | Assignee: | Nobody <nobody> |
Status: | CLOSED NOTABUG | 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, ldoskova, lgoncalv, lleshchi, 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: | Doc Type: | If docs needed, set a value | |
Doc Text: |
A flaw was found in the Linux Kernel where the OverlayFS implementation in the Ubuntu Linux kernel did not properly perform permission checks in certain situations. This flaw allows a local attacker to gain elevated privileges due to skipped permission in checking for trusted.overlayfs.* xattrs (CVE-2023-2640). There is a similar local privilege escalation vulnerability in Ubuntu Kernels overlayfs ovl_copy_up_meta_inode_data due to skipped permission checks when calling ovl_do_setxattr on Ubuntu kernels (CVE-2023-32629).
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Story Points: | --- |
Clone Of: | Environment: | ||
Last Closed: | 2023-08-07 19:01:21 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: | 2229735 | ||
Bug Blocks: | 2229723 |
Description
Alex
2023-08-07 13:12:16 UTC
Created kernel tracking bugs for this issue: Affects: fedora-all [bug 2229735] 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-2023-2640 https://access.redhat.com/security/cve/cve-2023-32629 Fedora is not impacted by this bug. |