UBUNTU-CVE-2023-54145

In the Linux kernel, the following vulnerability has been resolved: bpf: drop unnecessary user-triggerable WARNONCE in verifierl log It's trivial for user to trigger "verifier log line truncated" warning, as verifier has a fixed-sized buffer of 1024 bytes as of now, and there are at least two...

UBUNTU-CVE-2023-54158

In the Linux kernel, the following vulnerability has been resolved: btrfs: don't free qgroup space unless specified Boris noticed in his simple quotas testing that he was getting a leak with Sweet Tea's change to subvol create that stopped doing a transaction commit. This was just a side effect o...

UBUNTU-CVE-2023-54151

In the Linux kernel, the following vulnerability has been resolved: f2fs: Fix system crash due to lack of free space in LFS When f2fs tries to checkpoint during foreground gc in LFS mode, system crash occurs due to lack of free space if the amount of dirty node and dentry pages generated by data...

UBUNTU-CVE-2025-68739

In the Linux kernel, the following vulnerability has been resolved: PM / devfreq: hisi: Fix potential UAF in OPP handling Ensure all required data is acquired before calling devpmoppputopp to maintain correct resource acquisition and release order...

UBUNTU-CVE-2023-54096

In the Linux kernel, the following vulnerability has been resolved: soundwire: fix enumeration completion The soundwire subsystem uses two completion structures that allow drivers to wait for soundwire device to become enumerated on the bus and initialised by their drivers, respectively. The code...

CVE-2023-54157 binder: fix UAF of alloc->vma in race with munmap()

In the Linux kernel, the following vulnerability has been resolved: binder: fix UAF of alloc-vma in race with munmap cmllamas: clean forward port from commit 015ac18be7de "binder: fix UAF of alloc-vma in race with munmap" in 5.10 stable. It is needed in mainline after the revert of commit...

CVE-2023-54154 scsi: target: core: Fix target_cmd_counter leak

In the Linux kernel, the following vulnerability has been resolved: scsi: target: core: Fix targetcmdcounter leak The targetcmdcounter struct allocated via targetalloccmdcounter is never freed, resulting in leaks across various transport types, e.g.: unreferenced object 0xffff88801f920120 size 96...

CVE-2023-54137 vfio/type1: fix cap_migration information leak

In the Linux kernel, the following vulnerability has been resolved: vfio/type1: fix capmigration information leak Fix an information leak where an uninitialized hole in struct vfioiommutype1infocapmigration on the stack is exposed to userspace. The definition of struct...

CVE-2023-54136

CVE-2023-54136 concerns a memory leak in the Linux kernel’s serial driver for sprd when _probe() returns failure. The fix releases the DMA buffer to avoid leaks. Connected Astra Linux entry confirms the same vulnerability and the fix across kernel lines (linux-5.10, linux-5.15, linux-6.1). The im...

CVE-2023-54134 autofs: fix memory leak of waitqueues in autofs_catatonic_mode

In the Linux kernel, the following vulnerability has been resolved: autofs: fix memory leak of waitqueues in autofscatatonicmode Syzkaller reports a memory leak: BUG: memory leak unreferenced object 0xffff88810b279e00 size 96: comm "syz-executor399", pid 3631, jiffies 4294964921 age 23.870s hex...

CVE-2023-54133

CVE-2023-54133 affects the Linux kernel's nfp (net firmware) path. The issue arises when moving devices between namespaces: software cleanup of multicast (mc) addresses occurs, but addresses remain in the application firmware, causing a resource leak. The advisory states the problem is resolved b...

CVE-2023-54102

The CVE-2023-54102 entry refers to the Linux kernel scsi lpfc driver fix: lpfc_debugfs_lockstat_write() buffer overflow risk from copy_from_user() into a fixed mybuf. The patch adds a min() boundary between sizeof(mybuf)-1 and the user-supplied nbytes to prevent overflow. Impact is a potential ke...

CVE-2023-54095 powerpc/iommu: Fix notifiers being shared by PCI and VIO buses

In the Linux kernel, the following vulnerability has been resolved: powerpc/iommu: Fix notifiers being shared by PCI and VIO buses failiommusetup registers the failiommubusnotifier struct to both PCI and VIO buses. struct notifierblock is a linked list node, so this causes any notifiers later...

CVE-2023-54091 drm/client: Fix memory leak in drm_client_target_cloned

In the Linux kernel, the following vulnerability has been resolved: drm/client: Fix memory leak in drmclienttargetcloned dmtmode is allocated and never freed in this function. It was found with the ast driver, but most drivers using generic fbdev setup are probably affected. This fixes the...

CVE-2023-54083 phy: tegra: xusb: Clear the driver reference in usb-phy dev

In the Linux kernel, the following vulnerability has been resolved: phy: tegra: xusb: Clear the driver reference in usb-phy dev For the dual-role port, it will assign the phy dev to usb-phy dev and use the port dev driver as the dev driver of usb-phy. When we try to destroy the port dev, it will...

CVE-2022-50755

CVE-2022-50755 (udf: Avoid double brelse() in udf_rename()) is a Linux kernel issue where udf_find_entry() may cause brelse() to be called twice (by both udf_find_entry() and udf_rename()), unbalancing the buffer_head reference count. The patch resolves this by not calling brelse() in udf_rename(...

CVE-2022-50752 md/raid5: Remove unnecessary bio_put() in raid5_read_one_chunk()

In the Linux kernel, the following vulnerability has been resolved: md/raid5: Remove unnecessary bioput in raid5readonechunk When running chunk-sized reads on disks with badblocks duplicate bio free/puts are observed: ============================================================================= B...

CVE-2022-50744 scsi: lpfc: Fix hard lockup when reading the rx_monitor from debugfs

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix hard lockup when reading the rxmonitor from debugfs During I/O and simultaneous cat of /sys/kernel/debug/lpfc/fnX/rxmonitor, a hard lockup similar to the call trace below may occur. The spinlockbh in...

CVE-2023-54077 fs/ntfs3: Fix memory leak if ntfs_read_mft failed

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fix memory leak if ntfsreadmft failed Label ATTRROOT in ntfsreadmft sets isroot = true and ni-niflags |= NIFLAGDIR, then next attr will goto label ATTRALLOC and alloc ni-dir.allocrun. However two states are not always...

CVE-2023-54077

CVE-2023-54077 discusses a memory leak in the Linux kernel ntfs3 module (ntfs_read_mft). In ntfs_read_mft, the logic that sets is_root and NI_FLAG_DIR can enter inconsistent states, causing ni->dir.alloc_run to leak when the next attribute flow follows ATTR_ALLOC and NI_FLAG_DIR is not set. Mu...