CVE-2022-49048

MEDIUMCVSS 5.5/10EPSS 0.25%

Last modified

CVE-2022-49048 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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%. EPSS estimates a 0.25% chance of exploitation in the next 30 days.

Description

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%

Metrics

CVSS 3.1
5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
0.25%

15.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersionsUpdate
LinuxLinux Kernel>= 4.19.199, < 4.19.239
LinuxLinux Kernel>= 5.4.136, < 5.4.190
LinuxLinux Kernel>= 5.10.54, < 5.10.112
LinuxLinux Kernel>= 5.13.6, < 5.14
LinuxLinux Kernel>= 5.14.1, < 5.15.35
LinuxLinux Kernel>= 5.16, < 5.17.4
LinuxLinux Kernel5.14
LinuxLinux Kernel5.18Rc1

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2022-49048?
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%
How severe is CVE-2022-49048?
CVE-2022-49048 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.25% probability of exploitation in the next 30 days.
How do I fix CVE-2022-49048?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-49048?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST