CVE-2024-1086High· 7.8▾ Abyssal⚠ Exploited in the wildPoC availableA use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. The nft_verdict_init() function allows positive values as drop error within the hook verdict, …
▾ Abyssal zone — Critical with a public exploit or in-the-wild use
impact 42.9 · likelihood 5.6 · exploitation 25 · ransomware 5
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Public exploit / PoC code seen in 1 source. Availability, not in-the-wild use.
Exploit-prediction probability, daily snapshots since Aug 7.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Federal remediation due Jun 20, 2024
Last analysed / modified upstream
28%
17 GitHub repos
Added to the CISA catalog on May 30, 2024. Federal remediation due Jun 20, 2024. View catalog ↗
A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.
The nft_verdict_init() function allows positive values as drop error within the hook verdict, and hence the nf_hook_slow() function can cause a double free vulnerability when NF_DROP is issued with a drop error which resembles NF_ACCEPT.
We recommend upgrading past commit f342de4e2f33e0e39165d8639387aa6c19dff660.
h300s_firmwareh500s_firmwareh700s_firmwareh410s_firmwareh410c_firmwarebootstrap_oslinux_kernel >= 3.15, < 5.15.149linux_kernel >= 6.1, < 6.1.76linux_kernel >= 6.2, < 6.6.15linux_kernel >= 6.7, < 6.7.3linux_kernel = 6.8fedora = 39enterprise_linux_desktop = 7.0enterprise_linux_for_ibm_z_systems = 7.0_s390xenterprise_linux_for_power_big_endian = 7.0_ppc64enterprise_linux_for_power_little_endian = 7.0_ppc64leenterprise_linux_server = 7.0enterprise_linux_workstation = 7.0debian_linux = 10.0a250_firmware500f_firmwarec250_firmwareUpgrade past the affected range:
linux_kernel 6.7.3Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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