CVE-2021-3501High· 7.1▾ TwilightA flaw was found in the Linux kernel in versions before 5.12. The value of internal.ndata, in the KVM API, is mapped to an array index, which can be updated by a user process at anytime which could lead to an out-of-bounds write. The hig…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 39.1 · likelihood 0.1 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
Exploit-prediction probability, daily snapshots since Aug 5.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.4%
0.4% → 0.4%
A flaw was found in the Linux kernel in versions before 5.12. The value of internal.ndata, in the KVM API, is mapped to an array index, which can be updated by a user process at anytime which could lead to an out-of-bounds write. The highest threat from this vulnerability is to data integrity and system availability.
linux_kernel < 5.12enterprise_linux = 8.0enterprise_linux_for_real_time = 8enterprise_linux_for_real_time_for_nfv = 8enterprise_linux_for_real_time_for_nfv_tus = 8.4enterprise_linux_for_real_time_tus = 8.4fedora = 33virtualization = 4.0virtualization_host = 4.0cloud_backupsolidfire_baseboard_management_controller_firmwareh300s_firmwareh500s_firmwareh700s_firmwareh300e_firmwareh500e_firmwareh700e_firmwareh410s_firmwareh410c_firmwareUpgrade past the affected range:
linux_kernel 5.12Connected by shared product, vendor, weakness, or advisory.
CVE-2022-27666High· 7.8A heap buffer overflow flaw was found in IPsec ESP transformation code in net/ipv4/esp4.c and net/ipv6/esp6.c
CVE-2022-2078Medium· 5.5A vulnerability was found in the Linux kernel's nft_set_desc_concat_parse() function .This flaw allows an attacker to trigger a buffer overflow via nft_set_desc_concat_parse() , causing a denial of service and possibly to run code.
CVE-2026-71221High· 7.0A stack out-of-bounds write vulnerability was found in gfs2-utils
CVE-2026-71220High· 7.0A stack out-of-bounds write vulnerability was found in gfs2-utils
CVE-2018-8174High· 7.5A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka "Windows VBScript Engine Remote Code Execution Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1…
CVE-2026-19548Medium· 5.5Multiple Use-After-Free vulnerabilities were found in the add_archive_element function in ld/ldmain.c of the GNU linker (ld), a component of binutils