CVE-2023-53276

In CVE-2023-53276, the Linux kernel ubifs code leaks memory: fscrypt_setup_filename allocates memory for the tmpfile name, but this memory is not freed after the name is copied into the directory entry inode (ubifs_tmpfile → vfs_tmpfile → path_openat). The kmemleak report shows an unreferenced ob...

CVE-2023-53266 arm64: acpi: Fix possible memory leak of ffh_ctxt

In the Linux kernel, the following vulnerability has been resolved: arm64: acpi: Fix possible memory leak of ffhctxt Allocated 'ffhctxt' memory leak is possible if the SMCCC version and conduit checks fail and -EOPNOTSUPP is returned without freeing the allocated memory. Fix the same by moving th...

CVE-2023-53266 arm64: acpi: Fix possible memory leak of ffh_ctxt

In the Linux kernel, the following vulnerability has been resolved: arm64: acpi: Fix possible memory leak of ffhctxt Allocated 'ffhctxt' memory leak is possible if the SMCCC version and conduit checks fail and -EOPNOTSUPP is returned without freeing the allocated memory. Fix the same by moving th...

CVE-2023-53265

In the Linux kernel, the following vulnerability has been resolved: ubi: ensure that VID header offset + VID header size dumpstack lib/dumpstack.c:88 inline dumpstacklvl+0x85/0xad lib/dumpstack.c:106 printaddressdescription mm/kasan/report.c:317 inline printreport.cold.13+0xb6/0x6bb...

PT-2025-38035

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.2.0-rc1-syzkaller Description: The Linux kernel contains a flaw within the ext4 filesystem related to block bitmap validation. Specifically, the mb find extent function may trigger a warning due to...

PT-2025-38020

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A flaw exists in the Linux kernel’s CIFS implementation within the cifs create function. If CIFS shuts down, the transaction ID xid is not freed before returning, leading to an xid lea...

PT-2025-37888

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The Linux kernel contains a vulnerability in the xen/virtio subsystem where a NULL dereference can occur within the xen dt get node function when a bridge of the PCI root bus has no...

PT-2025-37871

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A memory leak in the ffh ctxt structure within the ACPI subsystem on ARM64 architectures was addressed. The leak occurs when SMCCC version and conduit checks fail, resulting in an...

SUSE CVE-2022-50329

In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix uaf for bfqq in bfqexiticqbfqq Commit 64dc8c732f5c "block, bfq: fix possible uaf for 'bfqq-bic'" will access 'bic-bfqq' in bicsetbfqq, however, bfqexiticqbfqq can free bfqq first, and then call bicsetbfqq, which...

SUSE CVE-2022-50336

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Add null pointer check to attrloadrunsvcn Some metadata files are handled before MFT. This adds a null pointer check for some corner cases that could lead to NPD while reading these metadata files for a malformed NTFS...

SUSE CVE-2023-53182

In the Linux kernel, the following vulnerability has been resolved: ACPICA: Avoid undefined behavior: applying zero offset to null pointer ACPICA commit 770653e3ba67c30a629ca7d12e352d83c2541b1e Before this change we see the following UBSAN stack trace in Fuchsia: 0 0x000021e4213b3302 in...

AZL-71227 CVE-2023-53218 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Make it so that a waiting process can be aborted When sendmsg creates an rxrpc call, it queues it to wait for a connection and channel to be assigned and then waits before it can start shovelling data as the encrypted DATA...

CVE-2022-50335

In the Linux kernel, the following vulnerability has been resolved: 9p: set req refcount to zero to avoid uninitialized usage When a new request is allocated, the refcount will be zero if it is reused, but if the request is newly allocated from slab, it is not fully initialized before being added...

DEBIAN-CVE-2022-50293

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not BUGON on ENOMEM when dropping extent items for a range If we get -ENOMEM while dropping file extent items in a given range, at btrfsdropextents, due to failure to allocate memory when attempting to increment the...

CVE-2022-50282

In the Linux kernel, the following vulnerability has been resolved: chardev: fix error handling in cdevdeviceadd While doing fault injection test, I got the following report: ------------ cut here ------------ kobject: 'null' 0000000039956980: is not initialized, yet kobjectput is being called...

UBUNTU-CVE-2022-50321

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: fix potential memory leak in brcmfnetdevstartxmit The brcmfnetdevstartxmit returns NETDEVTXOK without freeing skb in case of pskbexpandhead fails, add devkfreeskb to fix it. Compile tested only...

UBUNTU-CVE-2022-50289

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix memory leak in ocfs2stackglueinit ocfs2tableheader should be free in ocfs2stackglueinit if ocfs2sysfsinit failed, otherwise kmemleak will report memleak. BUG: memory leak unreferenced object 0xffff88810eeb5800 size 128...

UBUNTU-CVE-2022-50263

In the Linux kernel, the following vulnerability has been resolved: vdpasim: fix memory leak when freeing IOTLBs After commit bda324fd037a "vdpasim: control virtqueue support", vdpasim-iommu became an array of IOTLB, so we should clean the mappings of each free one by one instead of just deleting...

UBUNTU-CVE-2022-50334

In the Linux kernel, the following vulnerability has been resolved: hugetlbfs: fix null-ptr-deref in hugetlbfsparseparam Syzkaller reports a null-ptr-deref bug as follows: ====================================================== KASAN: null-ptr-deref in range 0x0000000000000000-0x0000000000000007...

UBUNTU-CVE-2022-50306

In the Linux kernel, the following vulnerability has been resolved: ext4: fix potential out of bound read in ext4fcreplayscan For scan loop must ensure that at least EXT4FCTAGBASELEN space. If remain space less than EXT4FCTAGBASELEN which will lead to out of bound read when mounting corrupt file...