Bug 2268216 (CVE-2024-26626) - CVE-2024-26626 kernel: ipmr: fix kernel panic when forwarding mcast packets
Summary: CVE-2024-26626 kernel: ipmr: fix kernel panic when forwarding mcast packets
Keywords:
Status: NEW
Alias: CVE-2024-26626
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2268217
Blocks: 2268289
TreeView+ depends on / blocked
 
Reported: 2024-03-06 17:17 UTC by Zack Miele
Modified: 2024-03-25 14:28 UTC (History)
52 users (show)

Fixed In Version: kernel 6.1.77, kernel 6.6.16, kernel 6.7.4, kernel 6.8-rc3
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

Description Zack Miele 2024-03-06 17:17:10 UTC 
In the Linux kernel, the following vulnerability has been resolved:

ipmr: fix kernel panic when forwarding mcast packets

The Linux kernel CVE team has assigned CVE-2024-26626 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024030648-CVE-2024-26626-a910@gregkh/T
Comment 1 Zack Miele 2024-03-06 17:17:46 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2268217]
Comment 2 Justin M. Forbes 2024-03-06 19:54:37 UTC 
This was fixed for Fedora with the 6.7.4 stable kernel updates.
Comment 6 Hangbin Liu 2024-03-14 03:44:09 UTC 
Hi Zack, Mauro,

RHEL8 and RHEL9 should not be affected as we don't have the fix commit bb7403655b3c ("ipmr: support IP_PKTINFO on cache report IGMP msg"). The skb dst is set correctly before frowarding.
Note You need to log in before you can comment on or make changes to this bug.