OESA-2023-1496

Dashboard / Vulnerabilities / OESA-2023-1496

OESA-2023-1496

Summary: kernel security update

Details: The Linux Kernel, the operating system core itself. Security Fix(es): An issue was discovered in the Linux kernel before 6.3.8. fs/smb/server/smb2pdu.c in ksmbd has an integer underflow and out-of-bounds read in deassemble_neg_contexts.(CVE-2023-38427) An issue was discovered in the Linux kernel before 6.3.4. fs/ksmbd/connection.c in ksmbd has an off-by-one error in memory allocation (because of ksmbd_smb2_check_message) that may lead to out-of-bounds access.(CVE-2023-38429) An issue was discovered in the Linux kernel before 6.3.9. ksmbd does not validate the SMB request protocol ID, leading to an out-of-bounds read.(CVE-2023-38430) A use-after-free flaw was found in the Linux kernel's netfilter in the way a user triggers the nft_pipapo_remove function with the element, without a NFT_SET_EXT_KEY_END. This issue could allow a local user to crash the system or potentially escalate their privileges on the system.(CVE-2023-4004)

References: https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1496, https://nvd.nist.gov/vuln/detail/CVE-2023-38427, https://nvd.nist.gov/vuln/detail/CVE-2023-38429, https://nvd.nist.gov/vuln/detail/CVE-2023-38430, https://nvd.nist.gov/vuln/detail/CVE-2023-4004