CVE-2024-26688 fs,hugetlb: fix NULL pointer dereference in hugetlbs_fill_super

In the Linux kernel, the following vulnerability has been resolved: fs,hugetlb: fix NULL pointer dereference in hugetlbsfillsuper When configuring a hugetlb filesystem via the fsconfig syscall, there is a possible NULL dereference in hugetlbfsfillsuper caused by assigning NULL to ctx-hstate in...

CVE-2024-26688 fs,hugetlb: fix NULL pointer dereference in hugetlbs_fill_super

In the Linux kernel, the following vulnerability has been resolved: fs,hugetlb: fix NULL pointer dereference in hugetlbsfillsuper When configuring a hugetlb filesystem via the fsconfig syscall, there is a possible NULL dereference in hugetlbfsfillsuper caused by assigning NULL to ctx-hstate in...

CVE-2021-47140: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Clear DMA ops when switching domain Since commit 08a27c1c3ecf "iommu: Add support to change default domain of an iommu group" a user can switch a device between IOMMU and direct DMA through sysfs. This doesn't work for...

CVE-2021-47179: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: NFSv4: Fix a NULL pointer dereference in pnfsmarkmatchinglsegsreturn Commit de144ff4234f changes pnfsreturnlayout to call pnfsmarkmatchinglsegsreturn passing NULL as the struct pnfslayoutrange argument. Unfortunately,...

CVE-2024-26632: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: block: Fix iterating over an empty bio with bioforeachfolioall If the bio contains no data, biofirstfolio calls pagefolio on a NULL pointer and oopses. Move the test that we've reached the end of the bio from bionextfolio to...

PT-2024-26826

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.6.37 Description The issue occurs during the removal of the idxd driver on single-CPU platforms, where the registered offline callback is invoked as part of the clean-up process. However, with only one CPU...

UBUNTU-CVE-2023-52582

In the Linux kernel, the following vulnerability has been resolved: netfs: Only call foliostartfscache one time for each folio If a network filesystem using netfs implements a clamplength function, it can set subrequest lengths smaller than a page size. When we loop through the folios in...

CVE-2023-52567: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: serial: 8250port: Check IRQ data before use In case the leaf driver wants to use IRQ polling irq = 0 and IIR register shows that an interrupt happened in the 8250 hardware the IRQ data can be NULL. In such a case we need to skip...

SUSE CVE-2023-52476

In the Linux kernel, the following vulnerability has been resolved: perf/x86/lbr: Filter vsyscall addresses We found that a panic can occur when a vsyscall is made while LBR sampling is active. If the vsyscall is interrupted NMI for perf sampling, this call sequence can occur most recent at top:...

UBUNTU-CVE-2023-52476

In the Linux kernel, the following vulnerability has been resolved: perf/x86/lbr: Filter vsyscall addresses We found that a panic can occur when a vsyscall is made while LBR sampling is active. If the vsyscall is interrupted NMI for perf sampling, this call sequence can occur most recent at top:...

CVE-2024-26612: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: netfs, fscache: Prevent Oops in fscacheputcache This function dereferences "cache" and then checks if it's ISERRORNULL. Check first, then dereference...

UBUNTU-CVE-2021-46909

In the Linux kernel, the following vulnerability has been resolved: ARM: footbridge: fix PCI interrupt mapping Since commit 30fdfb929e82 "PCI: Add a call to pciassignirq in pcideviceprobe", the PCI code will call the IRQ mapping function whenever a PCI driver is probed. If these are marked as ini...

CVE-2024-26596 net: dsa: fix netdev_priv() dereference before check on non-DSA netdevice events

In the Linux kernel, the following vulnerability has been resolved: net: dsa: fix netdevpriv dereference before check on non-DSA netdevice events After the blamed commit, we started doing this dereference for every NETDEVCHANGEUPPER and NETDEVPRECHANGEUPPER event in the system. static inline stru...

CVE-2024-26596: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net: dsa: fix netdevpriv dereference before check on non-DSA netdevice events After the blamed commit, we started doing this dereference for every NETDEVCHANGEUPPER and NETDEVPRECHANGEUPPER event in the system. static inline stru...

PT-2024-8400

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to the drm/vmwgfx component of the Linux kernel, where the cleanup can be dispatched while the atomic update is still active. This leads to crashes because the buffe...

kernel: ALSA: ymfpci: Create card with device-managed snd_devm_card_new()

A flaw was found in the Linux kernel's ALSA ymfpci sound driver. During a previous refactoring commit that removed sndcardymfpciremove, the sndcardnew call was not updated to snddevmcardnew. This omission means sndcardfree is never called during module unload, leading to a kernel oops when...

kernel: ALSA: ymfpci: Create card with device-managed snd_devm_card_new()

A flaw was found in the Linux kernel's ALSA ymfpci sound driver. During a previous refactoring commit that removed sndcardymfpciremove, the sndcardnew call was not updated to snddevmcardnew. This omission means sndcardfree is never called during module unload, leading to a kernel oops when...

kernel: cifs: fix oops during encryption

An out-of-bounds memory access vulnerability exists in the linux kernel, such that A stack-allocated buffer backed by vmalloc was passed into crypto code scatterwalkmapandcopy → memcpy where a cross-page write occurred. This ended up hitting a read-only mapping, causing a page-level fault and...

PT-2025-37649

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel where the system may fail to recover a device if queue setup is interrupted. Specifically, within the ublk ctrl end recovery function, interruption of...

PT-2025-40215

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel where the ublk ctrl start dev function may fail to properly handle interruptions during queue setup. Specifically, if wait for completion interruptible ...