CVE-2023-52789 : In the Linux kernel, the following vulnerability has been resolved: tty: vcc: A

In the Linux kernel, the following vulnerability has been resolved: tty: vcc: Add check for kstrdup() in vcc_probe() Add check for the return value of kstrdup() and return the error, if it fails in order to avoid NULL pointer dereference.

Published 2024-05-21 15:31:06

Updated 2025-01-15 17:57:16

Source Linux

View at NVD, CVE.org

Vulnerability category: Memory Corruption

Products affected by CVE-2023-52789

Linux » Linux Kernel
Versions from including (>=) 5.11 and before (<) 5.15.140
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 4.20 and before (<) 5.4.262
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 5.5 and before (<) 5.10.202
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 6.2 and before (<) 6.5.13
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions before (<) 4.14.331
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 5.16 and before (<) 6.1.64
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 6.6 and before (<) 6.6.3
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 4.15 and before (<) 4.19.300
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2023-52789

EPSS FAQ

0.05%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 14 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-52789

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	1.8	3.6	NIST	2025-01-15
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2023-52789

CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2023-52789

https://git.kernel.org/stable/c/8f8771757b130383732195497e47fba2aba76d3a

tty: vcc: Add check for kstrdup() in vcc_probe() - kernel/git/stable/linux.git - Linux kernel stable tree
Patch
https://git.kernel.org/stable/c/460284dfb10b207980c6f3f7046e33446ceb38ac

tty: vcc: Add check for kstrdup() in vcc_probe() - kernel/git/stable/linux.git - Linux kernel stable tree
Patch
https://git.kernel.org/stable/c/909963e0c16778cec28efb1affc21558825f4200

tty: vcc: Add check for kstrdup() in vcc_probe() - kernel/git/stable/linux.git - Linux kernel stable tree
Patch
https://git.kernel.org/stable/c/38cd56fc9de78bf3c878790785e8c231116ef9d3

tty: vcc: Add check for kstrdup() in vcc_probe() - kernel/git/stable/linux.git - Linux kernel stable tree
Patch
https://git.kernel.org/stable/c/4a24a31826246b15477399febd13292b0c9f0ee9

tty: vcc: Add check for kstrdup() in vcc_probe() - kernel/git/stable/linux.git - Linux kernel stable tree
Patch
https://git.kernel.org/stable/c/d81ffb87aaa75f842cd7aa57091810353755b3e6

tty: vcc: Add check for kstrdup() in vcc_probe() - kernel/git/stable/linux.git - Linux kernel stable tree
Patch
https://git.kernel.org/stable/c/4ef41a7f33ffe1a335e7db7e1564ddc6afad47cc

tty: vcc: Add check for kstrdup() in vcc_probe() - kernel/git/stable/linux.git - Linux kernel stable tree
Patch
https://git.kernel.org/stable/c/7cebc86481bf16049e266f6774d90f2fd4f8d5d2

tty: vcc: Add check for kstrdup() in vcc_probe() - kernel/git/stable/linux.git - Linux kernel stable tree
Patch
https://git.kernel.org/stable/c/6c80f48912b5bd4965352d1a9a989e21743a4a06

tty: vcc: Add check for kstrdup() in vcc_probe() - kernel/git/stable/linux.git - Linux kernel stable tree
Patch

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Vulnerability Details : CVE-2023-52789

Products affected by CVE-2023-52789

Exploit prediction scoring system (EPSS) score for CVE-2023-52789

CVSS scores for CVE-2023-52789

CWE ids for CVE-2023-52789

References for CVE-2023-52789