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PT-2021-8141 · Linux +3 · Linux Kernel +3

🗓️ 21 Dec 2021 00:00:00Reported by Positive TechnologiesType 
ptsecurity
 ptsecurity🔗 dbugs.ptsecurity.com👁 20 Views

Use-after-free in Linux kernel 4.18.0.x86_64 #46/47 during ipmi si and ipmi msghandler uninstall can crash.

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Refs
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BDU FSTEC		The vulnerability of the blk_mq_mark_tag_wait() function in the block/blk-mq.c module, which supports the block-level kernel in the Linux operating system, allows a attacker to cause a service failure.
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BDU FSTEC		The vulnerability of the kvm_io_bus_unregister_dev function (virt/kvm/kvm_main.c) in Linux operating system kernels allows a hacker to cause a service failure.
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BDU FSTEC		The vulnerability in the kernel/bpf/verifier.c component of the Linux operating system allows a hacker to gain unauthorized access to protected information.
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BDU FSTEC		The vulnerability of Linux operating system’s socket ports, related to the use of memory after it is freed, allows attackers to increase their privileges.
5 Oct 202100:00
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BDU FSTEC		The vulnerability of the rtsx_usb_ms_drv_remove function in Linux kernel components allows attackers to compromise data confidentiality.
16 Feb 202200:00
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BDU FSTEC		The vulnerability of the lock_sock_nested() function in Android operating system kernels, which allows a malicious actor to exploit their privileges
15 Aug 202200:00
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BDU FSTEC		The vulnerability of the smb2_is_status_io_timeout() function in Linux operating system-based SMB components allows a hacker to trigger a service failure.
17 Mar 202300:00
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bdu_fstec
BDU FSTEC		The vulnerability of the tun_free_netdev() function in Linux kernel-based TUN/TAP virtual network drivers allows a attacker to cause service failure or gain increased privileges.
3 Apr 202300:00
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bdu_fstec
BDU FSTEC		The vulnerability of the sock_hash_delete_elem() function in the net/core/sock_map.c module of the Linux operating system allows a hacker to cause a service failure.
3 Apr 202300:00
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bdu_fstec
BDU FSTEC		The vulnerability of the ravbremove() function in the drivers/net/ethernet/renesas/ravb_main.c file of the network device driver for the Linux operating system’s kernels allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.
26 Jun 202300:00
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03 Feb 2025 00:00Current
6.9Medium risk
Vulners AI Score6.9
CVSS 24.6 - 6.2
CVSS 3.17.8
EPSS0.08555
SSVC
Linux kernelIpmi interfaceMessage handlerUse after freePrivilege escalationUninstall
20