CVE-2023-42754Medium· 5.5▾ SunlitA NULL pointer dereference flaw was found in the Linux kernel ipv4 stack. The socket buffer (skb) was assumed to be associated with a device before calling __ip_options_compile, which is not always the case if the skb is re-routed by ipv…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 30.3 · likelihood 0.1 · exploitation 0
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Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.4%
A NULL pointer dereference flaw was found in the Linux kernel ipv4 stack. The socket buffer (skb) was assumed to be associated with a device before calling __ip_options_compile, which is not always the case if the skb is re-routed by ipvs. This issue may allow a local user with CAP_NET_ADMIN privileges to crash the system.
linux_kernel < 6.6linux_kernel = 6.6enterprise_linux = 8.0enterprise_linux = 9.0fedora = 37fedora = 38fedora = 39Upgrade past the affected range:
linux_kernel 6.6Connected by shared product, vendor, weakness, or advisory.
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