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CVE-2023-1095

Status Candidate

Overview

In nf_tables_updtable, if nf_tables_table_enable returns an error, nft_trans_destroy is called to free the transaction object. nft_trans_destroy() calls list_del(), but the transaction was never placed on a list -- the list head is all zeroes, this results in a NULL pointer dereference.

Related Files

Red Hat Security Advisory 2023-6813-01
Posted Nov 13, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-6813-01 - An update for kernel is now available for Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions. Issues addressed include a null pointer vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2023-1095
SHA-256 | 4f96a260c76eee76eecada5ce7726e6f539b5f7778a430ebd52cdfe2f352cb21
Red Hat Security Advisory 2023-5628-01
Posted Oct 11, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-5628-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include null pointer and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2023-1095
SHA-256 | 82d524556abaf2f1ba57ffbaaa2d241c24b37aee6faf5902bdf44f60c7ff8a41
Ubuntu Security Notice USN-6031-1
Posted Apr 20, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6031-1 - It was discovered that the Traffic-Control Index implementation in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the Integrity Measurement Architecture implementation in the Linux kernel did not properly enforce policy in certain conditions. A privileged attacker could use this to bypass Kernel lockdown restrictions.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-21505, CVE-2022-3903, CVE-2022-41849, CVE-2022-4382, CVE-2023-1074, CVE-2023-1095, CVE-2023-1118, CVE-2023-1281, CVE-2023-23559, CVE-2023-26607
SHA-256 | c49e938c59a6771a19744a8f7a0880c7e6c16e6feae1b07ba02a91e00363d912
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