CVE-2022-47929Medium· 5.5▾ TwilightPoC availableIn the Linux kernel before 6.1.6, a NULL pointer dereference bug in the traffic control subsystem allows an unprivileged user to trigger a denial of service (system crash) via a crafted traffic control configuration that is set up with "…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 30.3 · likelihood 0.2 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
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 14.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
1.0%
Exploit / PoC code exists
1.0% → 1.0%
In the Linux kernel before 6.1.6, a NULL pointer dereference bug in the traffic control subsystem allows an unprivileged user to trigger a denial of service (system crash) via a crafted traffic control configuration that is set up with "tc qdisc" and "tc class" commands. This affects qdisc_graft in net/sched/sch_api.c.
linux_kernel < 6.1.6debian_linux = 11.0Upgrade past the affected range:
linux_kernel 6.1.6Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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