CVE-2021-29264Incorrect Calculation in Linux

Severity
5.5MEDIUMNVD
OSV7.8OSV6.7OSV4.4
EPSS
0.1%
top 72.25%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedMar 26
Latest updateMay 24

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages5 packages

Debianlinux/linux_kernel< 5.10.28-1+3
Ubuntulinux/linux_kernel< 4.15.0-143.147+1
NVDlinux/linux_kernel5.11.10
debiandebian/linux< linux 5.10.28-1 (bookworm)

Also affects: Debian Linux 9.0

Patches

🔴Vulnerability Details

6
GHSA
GHSA-chjc-vrcx-99p5: An issue was discovered in the Linux kernel through 52022-05-24
OSV
linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-gcp, linux-gcp-5.4, linux-gke, linux-gke-5.4, linux-gkeop, linux-gkeop-5.4, linux-hwe-5.4, linux-kvm, linux-oracle, linux-oracle-5.2021-06-08
OSV
linux, linux-aws, linux-azure, linux-gcp, linux-hwe-5.8, linux-kvm, linux-oracle, linux-raspi vulnerabilities2021-05-11
OSV
linux-oem-5.10 vulnerabilities2021-05-11
OSV
linux, linux-aws, lnux-aws-hwe, linux-azure, inux-azure-4.15, linux-dell300x, linux-gcp, linux-hwe, linux-gcp-4.15, linux-kvm, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities2021-05-11

📋Vendor Advisories

6
Ubuntu
Linux kernel (OEM) vulnerabilities2021-05-11
Ubuntu
Linux kernel vulnerabilities2021-05-11
Ubuntu
Linux kernel vulnerabilities2021-05-11
Microsoft
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 negati2021-03-09
Red Hat
kernel: DoS due to negative fragment size calculation in drivers/net/ethernet/freescale/gianfar.c2021-03-05
CVE-2021-29264 — Incorrect Calculation in Debian Linux | cvebase