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CVE-2024-38583

Status Candidate

Overview

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix use-after-free of timer for log writer thread Patch series "nilfs2: fix log writer related issues". This bug fix series covers three nilfs2 log writer-related issues, including a timer use-after-free issue and potential deadlock issue on unmount, and a potential freeze issue in event synchronization found during their analysis. Details are described in each commit log. This patch (of 3): A use-after-free issue has been reported regarding the timer sc_timer on the nilfs_sc_info structure. The problem is that even though it is used to wake up a sleeping log writer thread, sc_timer is not shut down until the nilfs_sc_info structure is about to be freed, and is used regardless of the thread's lifetime. Fix this issue by limiting the use of sc_timer only while the log writer thread is alive.

Related Files

Ubuntu Security Notice USN-7028-2
Posted Oct 18, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 7028-2 - It was discovered that the JFS file system contained an out-of-bounds read vulnerability when printing xattr debug information. A local attacker could use this to cause a denial of service. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-47188, CVE-2022-48863, CVE-2023-52809, CVE-2024-26651, CVE-2024-26677, CVE-2024-26851, CVE-2024-27437, CVE-2024-38570, CVE-2024-38583, CVE-2024-39480, CVE-2024-39495, CVE-2024-42224
SHA-256 | 98691b52dc361923ae789d46853b1631bac1471d52e1e8f5c5bf3183938d9021
Ubuntu Security Notice USN-7028-1
Posted Sep 23, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 7028-1 - It was discovered that the JFS file system contained an out-of-bounds read vulnerability when printing xattr debug information. A local attacker could use this to cause a denial of service. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-47188, CVE-2022-48863, CVE-2023-52809, CVE-2024-26651, CVE-2024-26677, CVE-2024-26851, CVE-2024-27437, CVE-2024-38570, CVE-2024-38583, CVE-2024-39480, CVE-2024-39495, CVE-2024-42224
SHA-256 | 7de5ce15aa6cad3ce493ec92fd8b9feaa278435231abe1f16c95487428745116
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