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CVE-2023-52567 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: serial: 8250_port: Check IRQ data before use In case the leaf driver wants to use IRQ polling (irq = 0) and IIR register shows that an interrupt happened in the 8250 hardware the IRQ data can be NULL. In such a case we need to skip the wake event as we came to this path from the timer interrupt and quite likely system is already awake. Without this fix we have got an Oops: serial8250: ttyS0 at I/O 0x3f8 (irq = 0, base_baud = 115200) is a 16550A ... BUG: kernel NULL pointer dereference, address: 0000000000000010 RIP: 0010:serial8250_handle_irq+0x7c/0x240 Call Trace: ? serial8250_handle_irq+0x7c/0x240 ? __pfx_serial8250_timeout+0x10/0x10


Severity



CVSS 4.0 Severity and Metrics:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://git.kernel.org/stable/c/2b837f13a818f96304736453ac53b66a70aaa4f2
https://git.kernel.org/stable/c/3345cc5f02f1fb4c4dcb114706f2210d879ab933
https://git.kernel.org/stable/c/bf3c728e3692cc6d998874f0f27d433117348742
https://git.kernel.org/stable/c/c334650150c29234b0923476f51573ae1b2f252a
https://git.kernel.org/stable/c/cce7fc8b29961b64fadb1ce398dc5ff32a79643b
https://git.kernel.org/stable/c/e14afa4450cb7e4cf93e993a765801203d41d014
https://git.kernel.org/stable/c/e14f68a48fd445a083ac0750fafcb064df5f18f7
https://git.kernel.org/stable/c/ee5732caaffba3a37e753fdb89b4958db9a61847

Weakness Enumeration

CWE-ID CWE Name Source

Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2023-52567
NVD Published Date:
03/02/2024
NVD Last Modified:
03/04/2024
Source:
kernel.org