CVE-2023-31436High· 7.8▾ Twilightqfq_change_class in net/sched/sch_qfq.c in the Linux kernel before 6.2.13 allows an out-of-bounds write because lmax can exceed QFQ_MIN_LMAX.
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 42.9 · likelihood 0.1 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
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
0.6%
0.6% → 0.6%
qfq_change_class in net/sched/sch_qfq.c in the Linux kernel before 6.2.13 allows an out-of-bounds write because lmax can exceed QFQ_MIN_LMAX.
linux_kernel >= 3.7, < 4.14.314linux_kernel >= 4.15, < 4.19.282linux_kernel >= 4.20, < 5.4.242linux_kernel >= 5.5.0, < 5.10.179linux_kernel >= 5.11, < 5.15.109linux_kernel >= 5.16, < 6.1.26linux_kernel >= 6.2, < 6.2.13Upgrade past the affected range:
linux_kernel 6.2.13Connected by shared product, vendor, weakness, or advisory.
CVE-2022-1015Medium· 6.6A flaw was found in the Linux kernel in linux/net/netfilter/nf_tables_api.c of the netfilter subsystem
CVE-2022-36280Medium· 6.3An out-of-bounds(OOB) memory access vulnerability was found in vmwgfx driver in drivers/gpu/vmxgfx/vmxgfx_kms.c in GPU component in the Linux kernel with device file '/dev/dri/renderD128 (or Dxxx)'
CVE-2022-34918High· 7.8An issue was discovered in the Linux kernel through 5.18.9
CVE-2022-3028High· 7.0A race condition was found in the Linux kernel's IP framework for transforming packets (XFRM subsystem) when multiple calls to xfrm_probe_algs occurred simultaneously
CVE-2021-33655Medium· 6.7When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds.
CVE-2021-4037Medium· 4.4A vulnerability was found in the fs/inode.c:inode_init_owner() function logic of the LInux kernel that allows local users to create files for the XFS file-system with an unintended group ownership and with group execution and SGID permis…