Bug 2347812 (CVE-2022-49048) - CVE-2022-49048 kernel: ipv6: fix panic when forwarding a pkt with no in6 dev
Summary: CVE-2022-49048 kernel: ipv6: fix panic when forwarding a pkt with no in6 dev
Keywords:
Status: NEW
Alias: CVE-2022-49048
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:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-02-26 03:07 UTC by OSIDB Bzimport
Modified: 2025-02-26 17:12 UTC (History)
4 users (show)

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

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Description OSIDB Bzimport 2025-02-26 03:07:37 UTC 
In the Linux kernel, the following vulnerability has been resolved:

ipv6: fix panic when forwarding a pkt with no in6 dev

kongweibin reported a kernel panic in ip6_forward() when input interface
has no in6 dev associated.

The following tc commands were used to reproduce this panic:
tc qdisc del dev vxlan100 root
tc qdisc add dev vxlan100 root netem corrupt 5%
Comment 1 Avinash Hanwate 2025-02-26 13:00:01 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025022651-CVE-2022-49048-8b39@gregkh/T
Comment 4 Avinash Hanwate 2025-02-26 17:11:58 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025022651-CVE-2022-49048-8b39@gregkh/T
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