CVE-2021-29264

Description

An issue was discovered in the Linux kernel through 5.11.10. drivers/net/ethernet/freescale/gianfar.c in the Freescale Gianfar Ethernet driver allows attackers to cause a system crash because a negative fragment size is calculated in situations involving an rx queue overrun when jumbo packets are used and NAPI is enabled, aka CID-d8861bab48b6.

5.5

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.10%

Vendor Advisory kernel.org

Affected: n/a n/a

References

Link	Tags
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=d8861bab48b6c1fc3cdbcab8ff9d1eaea43afe7f	patch vendor advisory
https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html	third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2021-29264?: CVE-2021-29264 has been scored as a medium severity vulnerability.
How to fix CVE-2021-29264?: To fix CVE-2021-29264, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-29264 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-29264 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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