CVE-2023-53457

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2023-53457
In the Linux kernel, the following vulnerability has been resolved: FS: JFS: Fix null-ptr-deref Read in txBegin Syzkaller reported an issue where txBegin may be called on a superblock in a read-only mounted filesystem which leads to NULL pointer deref. This could be solved by checking if the filesystem is read-only before calling txBegin, and returning with appropiate error code.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/1b4c144767736221cad92c132f72b3c6ed06a0ea Patch
https://git.kernel.org/stable/c/2a3f20efe6c901d4c0871cfd1d8c65e2ade71fc1 Patch
https://git.kernel.org/stable/c/3e5eb6c5ecd8ddb9cfea751cf30f9e23eac97ca3 Patch
https://git.kernel.org/stable/c/3e94d0d378d2754b26fc54b429582553f7b53e15 Patch
https://git.kernel.org/stable/c/47cfdc338d674d38f4b2f22b7612cc6a2763ba27 Patch
https://git.kernel.org/stable/c/a7225e9e09519deb7e0c42eb6070029cc456e84d Patch
https://git.kernel.org/stable/c/a7d17d6bd7cd4f6940b335ea7a6fce5b6d22adc2 Patch
https://git.kernel.org/stable/c/fd2db13fb72ff18c633a48229589d42ceb89d1f8 Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12:-:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12:rc5:*:*:*:*:*:*
History

16 Jan 2026, 20:59

Type Values Removed Values Added
CPE cpe:2.3:o:linux:linux_kernel:2.6.12:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12:-:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12:rc5:*:*:*:*:*:*
First Time Linux
Linux linux Kernel
References () https://git.kernel.org/stable/c/1b4c144767736221cad92c132f72b3c6ed06a0ea - () https://git.kernel.org/stable/c/1b4c144767736221cad92c132f72b3c6ed06a0ea - Patch
References () https://git.kernel.org/stable/c/2a3f20efe6c901d4c0871cfd1d8c65e2ade71fc1 - () https://git.kernel.org/stable/c/2a3f20efe6c901d4c0871cfd1d8c65e2ade71fc1 - Patch
References () https://git.kernel.org/stable/c/3e5eb6c5ecd8ddb9cfea751cf30f9e23eac97ca3 - () https://git.kernel.org/stable/c/3e5eb6c5ecd8ddb9cfea751cf30f9e23eac97ca3 - Patch
References () https://git.kernel.org/stable/c/3e94d0d378d2754b26fc54b429582553f7b53e15 - () https://git.kernel.org/stable/c/3e94d0d378d2754b26fc54b429582553f7b53e15 - Patch
References () https://git.kernel.org/stable/c/47cfdc338d674d38f4b2f22b7612cc6a2763ba27 - () https://git.kernel.org/stable/c/47cfdc338d674d38f4b2f22b7612cc6a2763ba27 - Patch
References () https://git.kernel.org/stable/c/a7225e9e09519deb7e0c42eb6070029cc456e84d - () https://git.kernel.org/stable/c/a7225e9e09519deb7e0c42eb6070029cc456e84d - Patch
References () https://git.kernel.org/stable/c/a7d17d6bd7cd4f6940b335ea7a6fce5b6d22adc2 - () https://git.kernel.org/stable/c/a7d17d6bd7cd4f6940b335ea7a6fce5b6d22adc2 - Patch
References () https://git.kernel.org/stable/c/fd2db13fb72ff18c633a48229589d42ceb89d1f8 - () https://git.kernel.org/stable/c/fd2db13fb72ff18c633a48229589d42ceb89d1f8 - Patch
CWE CWE-476
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5

01 Oct 2025, 12:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-10-01 12:15

Updated : 2026-01-16 20:59

NVD link : CVE-2023-53457

Mitre link : CVE-2023-53457

CVE.ORG link : CVE-2023-53457

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-476

NULL Pointer Dereference