CVE-2024-26863Use of Uninitialized Resource in Linux

Severity
5.5MEDIUMNVD
OSV7.1OSV7.0OSV6.5
EPSS
0.0%
top 99.41%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedApr 17
Latest updateApr 9

Description

In the Linux kernel, the following vulnerability has been resolved: hsr: Fix uninit-value access in hsr_get_node() KMSAN reported the following uninit-value access issue [1]: BUG: KMSAN: uninit-value in hsr_get_node+0xa2e/0xa40 net/hsr/hsr_framereg.c:246 hsr_get_node+0xa2e/0xa40 net/hsr/hsr_framereg.c:246 fill_frame_info net/hsr/hsr_forward.c:577 [inline] hsr_forward_skb+0xe12/0x30e0 net/hsr/hsr_forward.c:615 hsr_dev_xmit+0x1a1/0x270 net/hsr/hsr_device.c:223 __netdev_start_xmit include/linux/

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

NVDlinux/linux_kernel3.174.19.311+7
Debianlinux/linux_kernel< 5.10.216-1+3
Ubuntulinux/linux_kernel< 5.4.0-189.209+4
CVEListV5linux/linuxf266a683a4804dc499efc6c2206ef68efed029d0e3b2bfb8ff1810a537b2aa55ba906a6743ed120c+9
debiandebian/linux< linux 6.1.85-1 (bookworm)

Also affects: Debian Linux 10.0

Patches

🔴Vulnerability Details

26
OSV
linux-fips vulnerabilities2025-04-09
OSV
linux-fips, linux-aws-fips, linux-azure-fips, linux-gcp-fips vulnerabilities2025-04-09
OSV
linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities2025-04-09
OSV
linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp, linux-gcp-4.15, linux-hwe, linux-kvm, linux-oracle vulnerabilities2025-04-09
OSV
linux-raspi vulnerabilities2024-07-26

📋Vendor Advisories

26
Ubuntu
Linux kernel vulnerabilities2025-04-09
Ubuntu
Linux kernel (FIPS) vulnerabilities2025-04-09
Ubuntu
Linux kernel vulnerabilities2025-04-09
Ubuntu
Linux kernel (FIPS) vulnerabilities2025-04-09
Ubuntu
Linux kernel vulnerabilities2024-07-26

💬Community

1
Bugzilla
CVE-2024-26863 kernel: hsr: Fix uninit-value access in hsr_get_node()2024-04-17