CVE-2021-29264

low-risk
Published 2021-03-26

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.

Do I need to act?

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0.10% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (2)

Affected Vendors

Debian Linux

References (4)

Patch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=d886...
Third Party Advisory https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html
Patch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=d886...
Third Party Advisory https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html
25
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 7/34 · Low