Bug 2320567 (CVE-2024-49902) - CVE-2024-49902 kernel: jfs: check if leafidx greater than num leaves per dmap tree
Summary: CVE-2024-49902 kernel: jfs: check if leafidx greater than num leaves per dmap...
Keywords:
Status: NEW
Alias: CVE-2024-49902
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2321024
Blocks:
TreeView+ depends on / blocked
 
Reported: 2024-10-21 19:11 UTC by OSIDB Bzimport
Modified: 2024-10-22 19:20 UTC (History)
4 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

Description OSIDB Bzimport 2024-10-21 19:11:23 UTC 
In the Linux kernel, the following vulnerability has been resolved:

jfs: check if leafidx greater than num leaves per dmap tree

syzbot report a out of bounds in dbSplit, it because dmt_leafidx greater
than num leaves per dmap tree, add a checking for dmt_leafidx in dbFindLeaf.

Shaggy:
Modified sanity check to apply to control pages as well as leaf pages.
Comment 1 Robb Gatica 2024-10-22 16:23:03 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024102120-CVE-2024-49902-0b84@gregkh/T
Note You need to log in before you can comment on or make changes to this bug.