CVE-2024-39503High· 7.8▾ TwilightIn the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Fix race between namespace cleanup and gc in the list:set type Lion Ackermann reported that there is a race condition between namespace cleanup in ip…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 42.9 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Oct 15.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.2%
In the Linux kernel, the following vulnerability has been resolved:
netfilter: ipset: Fix race between namespace cleanup and gc in the list:set type
Lion Ackermann reported that there is a race condition between namespace cleanup in ipset and the garbage collection of the list:set type. The namespace cleanup can destroy the list:set type of sets while the gc of the set type is waiting to run in rcu cleanup. The latter uses data from the destroyed set which thus leads use after free. The patch contains the following parts:
The patch depends on c1193d9bbbd3 (netfilter: ipset: Add list flush to cancel_gc).
linux_kernel >= 5.4.269, < 5.4.279linux_kernel >= 5.10.210, < 5.10.221linux_kernel >= 5.15.149, < 5.15.162linux_kernel >= 6.1.79, < 6.1.95linux_kernel >= 6.6.18, < 6.6.35linux_kernel >= 6.7.6, < 6.8linux_kernel >= 6.8.1, < 6.9.6linux_kernel = 6.8linux_kernel = 6.10Upgrade past the affected range:
linux_kernel 6.9.6Connected by shared product, vendor, weakness, or advisory.
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