The Linux Kernel, the operating system core itself.
Security Fix(es):
A flaw was found in the Linux kernel’s IP framework for transforming packets (XFRM subsystem). This issue may allow a malicious user with CAPNETADMIN privileges to directly dereference a NULL pointer in xfrmupdateae_params(), leading to a possible kernel crash and denial of service.(CVE-2023-3772)
A use-after-free flaw was found in nfcllcpfindlocal in net/nfc/llcpcore.c in NFC in the Linux kernel. This flaw allows a local user with special privileges to impact a kernel information leak issue.(CVE-2023-3863)
A use-after-free vulnerability was found in the cxgb4 driver in the Linux kernel. The bug occurs when the cxgb4 device is detaching due to a possible rearming of the flowerstatstimer from the work queue. This flaw allows a local user to crash the system, causing a denial of service condition.(CVE-2023-4133)
A use-after-free flaw was found in the Linux kernel’s Netfilter functionality when adding a rule with NFTARULECHAIN_ID. This flaw allows a local user to crash or escalate their privileges on the system.(CVE-2023-4147)
{ "severity": "High" }
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