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PT-2021-7231 · Linux +5 · Linux Kernel +5

🗓️ 18 Oct 2021 00:00:00Reported by Positive TechnologiesType 
ptsecurity
 ptsecurity🔗 dbugs.ptsecurity.com👁 12 Views

A flaw in the btrfs extent-tree lock can deadlock, enabling local privilege denial of service; no fix.

Related
Refs
ReporterTitlePublishedViews
Family
BDU FSTEC		The vulnerability of the Linux operating system’s kernel, related to information disclosure through discrepancies, allows attackers to read a portion of the kernel’s memory.
5 Oct 202100:00
–bdu_fstec
BDU FSTEC		The vulnerability of the Nosy driver, a kernel driver for the Linux operating system, allows a hacker to increase their privileges.
5 Oct 202100:00
–bdu_fstec
BDU FSTEC		The vulnerability of the f2fs kernel module in the Linux operating system, related to reading beyond the buffer in memory, allows a hacker to cause a service failure.
5 Oct 202100:00
–bdu_fstec
BDU FSTEC		The vulnerability of the Linux operating system’s kernel, related to the exposure of information through inconsistencies, allows attackers to obtain confidential information.
5 Oct 202100:00
–bdu_fstec
BDU FSTEC		The vulnerability of the hci_sock_bound_ioctl() function in the HCI subsystem of the Linux operating system allows a attacker to execute arbitrary code in the kernel context.
5 Oct 202100:00
–bdu_fstec
BDU FSTEC		The vulnerability in the driver drivers/char/virtio_console.c of the Linux operating system allows a hacker to cause stack overflow.
5 Oct 202100:00
–bdu_fstec
BDU FSTEC		The vulnerability in the kernel/bpf/hashtab.c component of the Linux operating system, related to writing beyond buffer boundaries in memory, allows an attacker to compromise the integrity, accessibility, and confidentiality of data.
5 Oct 202100:00
–bdu_fstec
BDU FSTEC		The vulnerability of the Linux operating system’s kernel, related to insufficient checking of privilege assignment for critical resources, allows a hacker to trigger a service failure.
5 Oct 202100:00
–bdu_fstec
BDU FSTEC		The vulnerability of the drivers/usb/host/max3421-hcd.c component of the Linux operating system’s kernel lies in the use of memory after it is freed, allowing an attacker to trigger a service failure.
5 Oct 202100:00
–bdu_fstec
BDU FSTEC		The vulnerability in the `drivers/net/ethernet/xilinx/xilinx_emaclite.c` component of the Linux operating system allows a hacker to bypass the ASLR protection mechanism.
5 Oct 202100:00
–bdu_fstec
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SourceLink
githubwww.github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/cve_2022_0847_dirtypipe.rb
githubwww.github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/docker_cgroup_escape.rb
githubwww.github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/netfilter_nft_set_elem_init_privesc.rb
githubwww.github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/cve_2022_0995_watch_queue.rb
githubwww.github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/cve_2023_0386_overlayfs_priv_esc.rb
githubwww.github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/cve_2022_1043_io_uring_priv_esc.rb
githubwww.github.com/Arinerron/CVE-2022-0847-DirtyPipe-Exploit
githubwww.github.com/AlexisAhmed/CVE-2022-0847-DirtyPipe-Exploits
githubwww.github.com/tr3ee/CVE-2022-23222
githubwww.github.com/Bonfee/CVE-2022-0995
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14 Aug 2023 00:00Current
7.4High risk
Vulners AI Score7.4
CVSS 3.15.5 - 9.8
CVSS 29
CVSS 37.4 - 8.8
CVSS 48.6
EPSS0.89063
SSVC
btrfs deadlockextent tree locklocal privilegesdenial serviceno fix available
12