CVE-2023-53578 — Use of Uninitialized Resource in Linux

CWE-908 — Use of Uninitialized ResourceCWE-131 — Incorrect Calculation of Buffer Size5 documents5 sources
Severity
7.8HIGHNVD
EPSS
0.0%
top 97.02%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedOct 4

Description

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: Fix an uninit variable access bug in qrtr_tx_resume() Syzbot reported a bug as following: BUG: KMSAN: uninit-value in qrtr_tx_resume+0x185/0x1f0 net/qrtr/af_qrtr.c:230 qrtr_tx_resume+0x185/0x1f0 net/qrtr/af_qrtr.c:230 qrtr_endpoint_post+0xf85/0x11b0 net/qrtr/af_qrtr.c:519 qrtr_tun_write_iter+0x270/0x400 net/qrtr/tun.c:108 call_write_iter include/linux/fs.h:2189 [inline] aio_write+0x63a/0x950 fs/aio.c:1600 io_submit…

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages4 packages

▶NVDlinux/linux_kernel5.6 — 5.10.178+4
▶Debianlinux/linux_kernel< 5.10.178-1+3
▶CVEListV5linux/linux5fdeb0d372ab33b4175043a2a4a1730239a217f1 — 3814d211ff13ee35f2d9437439a6c7df58524137+5
▶debiandebian/linux< linux 6.1.25-1 (bookworm)

Patches

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

🔴Vulnerability Details

2
GHSA
GHSA-gvj2-x98p-x2mj: In the Linux kernel, the following vulnerability has been resolved: net: qrtr: Fix an uninit variable access bug in qrtr_tx_resume() Syzbot reported↗2025-10-04
▶
OSV
CVE-2023-53578: In the Linux kernel, the following vulnerability has been resolved: net: qrtr: Fix an uninit variable access bug in qrtr_tx_resume() Syzbot reported a↗2025-10-04
▶

📋Vendor Advisories

2
Red Hat
kernel: net: qrtr: Fix an uninit variable access bug in qrtr_tx_resume()↗2025-10-04
▶
Debian
CVE-2023-53578: linux - In the Linux kernel, the following vulnerability has been resolved: net: qrtr: ...↗2023
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