CVE-2023-4458Medium· 4.0▾ Midnight0dayA flaw was found within the parsing of extended attributes in the kernel ksmbd module. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacke…
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 22 · likelihood 0.2 · exploitation 25
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Exploit-prediction probability, daily snapshots since Oct 2.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.8%
A flaw was found within the parsing of extended attributes in the kernel ksmbd module. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this to disclose sensitive information on affected installations of Linux. Only systems with ksmbd enabled are vulnerable to this CVE.
linux_kernel < 5.15.131linux_kernel >= 5.16, < 6.1.52linux_kernel >= 6.2, < 6.4.15linux_kernel >= 6.5, < 6.5.2Upgrade past the affected range:
linux_kernel 6.5.2Connected by shared product, vendor, weakness, or advisory.
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