VDB
GHSA-q52q-f54c-xmvp
GHSA-q52q-f54c-xmvp
PUBLISHED
CVSS 5.5 MEDIUM
Record from GitHub Advisory Database · Published February 26, 2024
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().
Risk scores
CVSS 3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Timeline
- Feb 26, 2024 CVE Published
- May 1, 2026 Security Advisory
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References
- https://nvd.nist.gov/vuln/detail/CVE-2021-46905 advisory
- https://git.kernel.org/stable/c/0f000005da31f6947f843ce6b3e3a960540c6e00 url
- https://git.kernel.org/stable/c/41c44e1f3112d7265dae522c026399b2a42d19ef url
- https://git.kernel.org/stable/c/5c17cfe155d21954b4c7e2a78fa771cebcd86725 url
- https://git.kernel.org/stable/c/d7fad2ce15bdbbd0fec3ebe999fd7cab2267f53e url
- https://git.kernel.org/stable/c/0c71d4c89559f72cec2592d078681a843bce570e url
- https://git.kernel.org/stable/c/24b699bea7553fc0b98dad9d864befb6005ac7f1 url
- https://git.kernel.org/stable/c/2ad5692db72874f02b9ad551d26345437ea4f7f3 url
- https://git.kernel.org/stable/c/5871761c5f0f20d6e98bf3b6bd7486d857589554 url
- https://git.kernel.org/stable/c/90642ee9eb581a13569b1c0bd57e85d962215273 url