CVE - CVE-2021-46905

CVE-ID
CVE-2021-46905	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
In the Linux kernel, the following vulnerability has been resolved: net: hso: fix NULL-deref on disconnect regression Commit 8a12f8836145 ("net: hso: fix null-ptr-deref during tty device unregistration") fixed the racy minor allocation reported by syzbot, but introduced an unconditional NULL-pointer dereference on every disconnect instead. Specifically, the serial device table must no longer be accessed after the minor has been released by hso_serial_tty_unregister().
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/0c71d4c89559f72cec2592d078681a843bce570e URL:https://git.kernel.org/stable/c/0c71d4c89559f72cec2592d078681a843bce570e MISC:https://git.kernel.org/stable/c/0f000005da31f6947f843ce6b3e3a960540c6e00 URL:https://git.kernel.org/stable/c/0f000005da31f6947f843ce6b3e3a960540c6e00 MISC:https://git.kernel.org/stable/c/24b699bea7553fc0b98dad9d864befb6005ac7f1 URL:https://git.kernel.org/stable/c/24b699bea7553fc0b98dad9d864befb6005ac7f1 MISC:https://git.kernel.org/stable/c/2ad5692db72874f02b9ad551d26345437ea4f7f3 URL:https://git.kernel.org/stable/c/2ad5692db72874f02b9ad551d26345437ea4f7f3 MISC:https://git.kernel.org/stable/c/41c44e1f3112d7265dae522c026399b2a42d19ef URL:https://git.kernel.org/stable/c/41c44e1f3112d7265dae522c026399b2a42d19ef MISC:https://git.kernel.org/stable/c/5871761c5f0f20d6e98bf3b6bd7486d857589554 URL:https://git.kernel.org/stable/c/5871761c5f0f20d6e98bf3b6bd7486d857589554 MISC:https://git.kernel.org/stable/c/5c17cfe155d21954b4c7e2a78fa771cebcd86725 URL:https://git.kernel.org/stable/c/5c17cfe155d21954b4c7e2a78fa771cebcd86725 MISC:https://git.kernel.org/stable/c/90642ee9eb581a13569b1c0bd57e85d962215273 URL:https://git.kernel.org/stable/c/90642ee9eb581a13569b1c0bd57e85d962215273 MISC:https://git.kernel.org/stable/c/d7fad2ce15bdbbd0fec3ebe999fd7cab2267f53e URL:https://git.kernel.org/stable/c/d7fad2ce15bdbbd0fec3ebe999fd7cab2267f53e
Assigning CNA
kernel.org
Date Record Created
20240225	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20240225)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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