CVE-2024-56613 sched/numa: fix memory leak due to the overwritten vma->numab_state

In the Linux kernel, the following vulnerability has been resolved: sched/numa: fix memory leak due to the overwritten vma-numabstate Problem Description When running the hackbench program of LTP, the following memory leak is reported by kmemleak. /opt/ltp/testcases/bin/hackbench 20 thread 1000...

CVE-2024-56611 mm/mempolicy: fix migrate_to_node() assuming there is at least one VMA in a MM

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: fix migratetonode assuming there is at least one VMA in a MM We currently assume that there is at least one VMA in a MM, which isn't true. So we might end up having findvma return NULL, to then de-reference NULL. So...

DEBIAN-CVE-2024-56544

In the Linux kernel, the following vulnerability has been resolved: udmabuf: change folios array from kmalloc to kvmalloc When PAGESIZE 4096, MAXPAGEORDER 10, 64bit machine, pagealloc only support 4MB. If above this, trigger this warn and return NULL. udmabuf can change size limit, if change it t...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a memory leak caused by an override of vma-numabstate in the sched/numa subsystem...

UBUNTU-CVE-2024-53148

In the Linux kernel, the following vulnerability has been resolved: comedi: Flush partial mappings in error case If some remappfnrange calls succeeded before one failed, we still have buffer pages mapped into the userspace page tables when we drop the buffer reference with comedibufmapputbm. The...

kernel: sched/numa: Fix the potential null pointer dereference in task_numa_work()

In the Linux kernel, the following vulnerability has been resolved: sched/numa: Fix the potential null pointer dereference in tasknumawork When running stress-ng-vm-segv test, we found a null pointer dereference error in tasknumawork. Here is the backtrace: 323676.066985 Unable to handle kernel...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the nommu component incorrectly passing parameters to vmaiterprealloc when deleting vma entries, causing the...

kernel: userfaultfd: fix a race between writeprotect and exit_mmap()

A possible race condition flaw was found in the Linux kernel. When a process exits, its virtual memory areas VMAs are removed by exitmmap, and at the same time, userfaultfdwriteprotect is called...

DEBIAN-CVE-2024-53086

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Drop VM dma-resv lock on xesyncinfenceget failure in exec IOCTL Upon failure all locks need to be dropped before returning to the user. cherry picked from commit 7d1a4258e602ffdce529f56686925034c1b3b095...

DEBIAN-CVE-2024-53071

In the Linux kernel, the following vulnerability has been resolved: drm/panthor: Be stricter about IO mapping flags The current panthordevicemmapio implementation has two issues: 1. For mapping DRMPANTHORUSERFLUSHIDMMIOOFFSET, panthordevicemmapio bails if VMWRITE is set, but does not clear...

UBUNTU-CVE-2024-53084

In the Linux kernel, the following vulnerability has been resolved: drm/imagination: Break an object reference loop When remaining resources are being cleaned up on driver close, outstanding VM mappings may result in resources being leaked, due to an object reference loop, as shown below, with ea...

UBUNTU-CVE-2024-53086

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Drop VM dma-resv lock on xesyncinfenceget failure in exec IOCTL Upon failure all locks need to be dropped before returning to the user. cherry picked from commit 7d1a4258e602ffdce529f56686925034c1b3b095...

UBUNTU-CVE-2024-53071

In the Linux kernel, the following vulnerability has been resolved: drm/panthor: Be stricter about IO mapping flags The current panthordevicemmapio implementation has two issues: 1. For mapping DRMPANTHORUSERFLUSHIDMMIOOFFSET, panthordevicemmapio bails if VMWRITE is set, but does not clear...

CVE-2024-53084 drm/imagination: Break an object reference loop

In the Linux kernel, the following vulnerability has been resolved: drm/imagination: Break an object reference loop When remaining resources are being cleaned up on driver close, outstanding VM mappings may result in resources being leaked, due to an object reference loop, as shown below, with ea...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from not locking XArray when fetching VM entries.No details of the vulnerability are available at this time...

kernel: drm/radeon: check bo_va->bo is non-NULL before using it

In the Linux kernel, the following vulnerability has been resolved: drm/radeon: check bova-bo is non-NULL before using it The call to radeonvmclearfreed might clear bova-bo, so we have to check it before dereferencing it...

uprobes: fix kernel info leak via "[uprobes]" vma

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SUSE CVE-2024-50220

In the Linux kernel, the following vulnerability has been resolved: fork: do not invoke uffd on fork if error occurs Patch series "fork: do not expose incomplete mm on fork". During fork we may place the virtual memory address space into an inconsistent state before the fork operation is complete...

DEBIAN-CVE-2024-50220

In the Linux kernel, the following vulnerability has been resolved: fork: do not invoke uffd on fork if error occurs Patch series "fork: do not expose incomplete mm on fork". During fork we may place the virtual memory address space into an inconsistent state before the fork operation is complete...

CVE-2024-50220 fork: do not invoke uffd on fork if error occurs

In the Linux kernel, the following vulnerability has been resolved: fork: do not invoke uffd on fork if error occurs Patch series "fork: do not expose incomplete mm on fork". During fork we may place the virtual memory address space into an inconsistent state before the fork operation is complete...