MEDIUM 5.5 Microsoft
CVE-2022-47929
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.
Microsoft Security Update 2023-Jan: 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.
Affected Products
- cm1 kernel 5.10.167.1-1 on CBL Mariner 1.0
- cbl2 hyperv-daemons 5.15.92.1-1 on CBL Mariner 2.0
- cbl2 kernel 5.15.92.1-1 on CBL Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-47929
- https://nvd.nist.gov/vuln/detail/CVE-2022-47929
This medium severity vulnerability with a CVSS score of 5.5 was published on 2023-01-10 via Microsoft. Affected: cm1 kernel 5.10.167.1-1 on CBL Mariner 1.0, cbl2 hyperv-daemons 5.15.92.1-1 on CBL Mariner 2.0, cbl2 kernel 5.15.92.1-1 on CBL Mariner 2.0.
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