CVE-2023-53462 — Use of Uninitialized Resource in Linux

CWE-908 — Use of Uninitialized ResourceCWE-824 — Access of Uninitialized Pointer6 documents6 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 97.14%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedOct 1

Description

In the Linux kernel, the following vulnerability has been resolved: hsr: Fix uninit-value access in fill_frame_info() Syzbot reports the following uninit-value access problem. BUG: KMSAN: uninit-value in fill_frame_info net/hsr/hsr_forward.c:601 [inline] BUG: KMSAN: uninit-value in hsr_forward_skb+0x9bd/0x30f0 net/hsr/hsr_forward.c:616 fill_frame_info net/hsr/hsr_forward.c:601 [inline] hsr_forward_skb+0x9bd/0x30f0 net/hsr/hsr_forward.c:616 hsr_dev_xmit+0x192/0x330 net/hsr/hsr_device.c:223 __n…

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 Packages4 packages

▶NVDlinux/linux_kernel5.9 — 5.10.195+4
▶Debianlinux/linux_kernel< 5.10.197-1+3
▶CVEListV5linux/linux451d8123f89791bb628277c0bdb4cae34a3563e6 — 1e90a93ac4845c31724ec5dc96fb51e608435a9d+5
▶debiandebian/linux< linux 6.1.55-1 (bookworm)

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

2
OSV
CVE-2023-53462: In the Linux kernel, the following vulnerability has been resolved: hsr: Fix uninit-value access in fill_frame_info() Syzbot reports the following uni↗2025-10-01
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GHSA
GHSA-vrfv-m2p8-gw2m: In the Linux kernel, the following vulnerability has been resolved: hsr: Fix uninit-value access in fill_frame_info() Syzbot reports the following u↗2025-10-01
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📋Vendor Advisories

2
Red Hat
kernel: Linux kernel HSR driver: Denial of Service via uninitialized value access↗2025-10-01
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Debian
CVE-2023-53462: linux - In the Linux kernel, the following vulnerability has been resolved: hsr: Fix un...↗2023
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💬Community

1
Bugzilla
CVE-2023-53462 kernel: Linux kernel HSR driver: Denial of Service via uninitialized value access↗2025-10-01
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