CVE-2023-52759

In the Linux kernel, the following vulnerability has been resolved: gfs2: ignore negated quota changes When lots of quota changes are made, there may be cases in which an inode's quota information is increased and then decreased, such as when blocks are added to a file, then deleted from it. If t...

Ubuntu 22.04 LTS : Linux kernel (OEM) vulnerabilities (USN-6819-3)

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6819-3 advisory. Alon Zahavi discovered that the NVMe-oF/TCP subsystem in the Linux kernel did not properly validate H2C PDU data, leading to a null pointer dereference...

USN-6819-2: Linux kernel vulnerabilities

Alon Zahavi discovered that the NVMe-oF/TCP subsystem in the Linux kernel did not properly validate H2C PDU data, leading to a null pointer dereference vulnerability. A remote attacker could use this to cause a denial of service system crash. CVE-2023-6356, CVE-2023-6535, CVE-2023-6536 Chenyuan...

Ubuntu 23.10 : Linux kernel vulnerabilities (USN-6819-2)

The remote Ubuntu 23.10 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6819-2 advisory. Alon Zahavi discovered that the NVMe-oF/TCP subsystem in the Linux kernel did not properly validate H2C PDU data, leading to a null pointer dereference...

Ubuntu 23.10 : Linux kernel (ARM laptop) vulnerabilities (USN-6818-2)

The remote Ubuntu 23.10 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6818-2 advisory. Alon Zahavi discovered that the NVMe-oF/TCP subsystem in the Linux kernel did not properly validate H2C PDU data, leading to a null pointer dereference...

USN-6819-1: Linux kernel vulnerabilities

Alon Zahavi discovered that the NVMe-oF/TCP subsystem in the Linux kernel did not properly validate H2C PDU data, leading to a null pointer dereference vulnerability. A remote attacker could use this to cause a denial of service system crash. CVE-2023-6356, CVE-2023-6535, CVE-2023-6536 Chenyuan...

CVE-2021-47254

A vulnerability was found in Linux kernel's GFS2 file system, in the gfs2glockshrinkscan function, causing a use-after-free issue. This problem occurs when a lock object is incorrectly handled, potentially leading to memory corruption Mitigation Red Hat has investigated whether a possible...

SUSE CVE-2021-47254

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix use-after-free in gfs2glockshrinkscan The GLFLRU flag is checked under lrulock in gfs2glockremovefromlru to remove the glock from the lru list in gfs2glockput. On the shrink scan path, the same flag is cleared under...

kernel: gfs2: Fix kernel NULL pointer dereference in gfs2_rgrp_dump

A NULL pointer dereference flaw was found in the Linux kernel when accessing the rgd-rdrgl in the gfs2rgrpdump function. This issue may lead to a crash...

kernel: gfs2: Fix kernel NULL pointer dereference in gfs2_rgrp_dump

A NULL pointer dereference flaw was found in the Linux kernel when accessing the rgd-rdrgl in the gfs2rgrpdump function. This issue may lead to a crash...

AZL-42246 CVE-2023-52760 affecting package kernel for versions less than 5.15.167.1-2

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix slab-use-after-free in gfs2qddealloc In gfs2putsuper, whether withdrawn or not, the quota should be cleaned up by gfs2quotacleanup. Otherwise, struct gfs2sbd will be freed before gfs2qddealloc rcu callback has run for a...

CVE-2023-52759

In the Linux kernel, the following vulnerability has been resolved: gfs2: ignore negated quota changes When lots of quota changes are made, there may be cases in which an inode's quota information is increased and then decreased, such as when blocks are added to a file, then deleted from it. If t...

CVE-2023-52759

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

CVE-2023-52760

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix slab-use-after-free in gfs2qddealloc In gfs2putsuper, whether withdrawn or not, the quota should be cleaned up by gfs2quotacleanup. Otherwise, struct gfs2sbd will be freed before gfs2qddealloc rcu callback has run for a...

CVE-2023-52760

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix slab-use-after-free in gfs2qddealloc In gfs2putsuper, whether withdrawn or not, the quota should be cleaned up by gfs2quotacleanup. Otherwise, struct gfs2sbd will be freed before gfs2qddealloc rcu callback has run for a...

UBUNTU-CVE-2023-52760

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix slab-use-after-free in gfs2qddealloc In gfs2putsuper, whether withdrawn or not, the quota should be cleaned up by gfs2quotacleanup. Otherwise, struct gfs2sbd will be freed before gfs2qddealloc rcu callback has run for a...

CVE-2023-52759

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

CVE-2023-52760 gfs2: Fix slab-use-after-free in gfs2_qd_dealloc

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix slab-use-after-free in gfs2qddealloc In gfs2putsuper, whether withdrawn or not, the quota should be cleaned up by gfs2quotacleanup. Otherwise, struct gfs2sbd will be freed before gfs2qddealloc rcu callback has run for a...

CVE-2023-52760

CVE-2023-52760 (Linux kernel, gfs2): The vulnerability is caused by a slab-use-after-free in gfs2_qd_dealloc, where in gfs2_put_super() the quota cleanup must occur via gfs2_quota_cleanup() regardless of withdrawal status. If cleanup is delayed (rcu callback) and gfs2_sbd is freed before all gfs2...

CVE-2023-52760 gfs2: Fix slab-use-after-free in gfs2_qd_dealloc

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix slab-use-after-free in gfs2qddealloc In gfs2putsuper, whether withdrawn or not, the quota should be cleaned up by gfs2quotacleanup. Otherwise, struct gfs2sbd will be freed before gfs2qddealloc rcu callback has run for a...