CVE-2022-49048
What it is
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%
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of service disruption.
- Exploit odds
- 0.7% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Details
- Published
- Last modified
- Exploit probability
- 0.7% · EPSS, next 30 days
- Record status
- Modified
Affected
- Linux Kernel < 4.19.239
- Linux Kernel < 5.4.190
- Linux Kernel < 5.10.112
- Linux Kernel < 5.14
- Linux Kernel < 5.15.35
- Linux Kernel < 5.17.4
- Linux Kernel 5.14
- Linux Kernel 5.18
Attack profile CVSS 3.1 · 7.5
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Fix and advisories
- https://git.kernel.org/stable/c/74b68f5249f16c5f7f675d0f604fa6ae20e3a151
- https://git.kernel.org/stable/c/a263712ba8c9ded25dd9d2d5ced11bcea5b33a3e
- https://git.kernel.org/stable/c/ab2f5afb7af5c68389e8c7dd29e0a98fbeaaa435
- https://git.kernel.org/stable/c/adee01bbf6cb5b3e4ed08be8ff866aac90f13836
- https://git.kernel.org/stable/c/e3fa461d8b0e185b7da8a101fe94dfe6dd500ac0
- https://git.kernel.org/stable/c/e69fb3de87a8923e5931a272a38fa3cceb01da44
References
- https://git.kernel.org/stable/c/74b68f5249f16c5f7f675d0f604fa6ae20e3a151
- https://git.kernel.org/stable/c/a263712ba8c9ded25dd9d2d5ced11bcea5b33a3e
- https://git.kernel.org/stable/c/ab2f5afb7af5c68389e8c7dd29e0a98fbeaaa435
- https://git.kernel.org/stable/c/adee01bbf6cb5b3e4ed08be8ff866aac90f13836
- https://git.kernel.org/stable/c/e3fa461d8b0e185b7da8a101fe94dfe6dd500ac0
- https://git.kernel.org/stable/c/e69fb3de87a8923e5931a272a38fa3cceb01da44