CVE-2023-53538 — NULL Pointer Dereference in Linux

CWE-476 — NULL Pointer DereferenceCWE-908 — Use of Uninitialized Resource5 documents5 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 95.40%
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: btrfs: insert tree mod log move in push_node_left There is a fairly unlikely race condition in tree mod log rewind that can result in a kernel panic which has the following trace: [530.569] BTRFS critical (device sda3): unable to find logical 0 length 4096 [530.585] BTRFS critical (device sda3): unable to find logical 0 length 4096 [530.602] BUG: kernel NULL pointer dereference, address: 0000000000000002 [530.618] #PF: superv…

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_kernel3.7.1 — 6.4.4+1
▶Debianlinux/linux_kernel< 6.4.4-1+1
▶CVEListV5linux/linux57911b8ba814fae01306376a0d02bc7cdc88dc94 — 11f14402fe3437852cb44945b3b9f1bdb4032956+2
▶debiandebian/linux< linux 6.4.4-1 (forky)

Patches

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

🔴Vulnerability Details

2
GHSA
GHSA-42hw-46gp-ffq7: In the Linux kernel, the following vulnerability has been resolved: btrfs: insert tree mod log move in push_node_left There is a fairly unlikely rac↗2025-10-04
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OSV
CVE-2023-53538: In the Linux kernel, the following vulnerability has been resolved: btrfs: insert tree mod log move in push_node_left There is a fairly unlikely race↗2025-10-04
▶

📋Vendor Advisories

2
Red Hat
kernel: btrfs: insert tree mod log move in push_node_left↗2025-10-04
▶
Debian
CVE-2023-53538: linux - In the Linux kernel, the following vulnerability has been resolved: btrfs: inse...↗2023
▶