UBUNTU-CVE-2025-22024

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix management of listener transports Currently, when no active threads are running, a root user using nfsdctl command can try to remove a particular listener from the list of previously added ones, then start the server by...

CVE-2025-22115

CVE-2025-22115 affects the Linux kernel Btrfs code, specifically a race in btrfs_create_pending_block_groups() that mishandles block group refcounts during a two‑phase creation. The fix introduced BLOCK_GROUP_FLAG_NEW but did not use unused_bg_lock, allowing a race between btrfs_create_pending_bl...

Amazon Linux 2 : kernel (ALAS-2025-2790)

The version of kernel installed on the remote host is prior to 4.14.290-217.505. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2025-2790 advisory. An out-of-bounds write flaw was found in the Linux kernel's framebuffer-based console driver functionality in the...

Important: kernel

Issue Overview: An out-of-bounds write flaw was found in the Linux kernels framebuffer-based console driver functionality in the way a user triggers ioctl FBIOPUTVSCREENINFO with malicious data. This flaw allows a local user to crash or potentially escalate their privileges on the system...

CVE-2021-47635

In the Linux kernel, the following vulnerability has been resolved: ubifs: Fix to add refcount once page is set private MM defined the rule 1 very clearly that once page was set with PGprivate flag, we should increment the refcount in that page, also main flows like pageout, migratepage will assu...

CVE-2021-47635

In the Linux kernel, the following vulnerability has been resolved: ubifs: Fix to add refcount once page is set private MM defined the rule 1 very clearly that once page was set with PGprivate flag, we should increment the refcount in that page, also main flows like pageout, migratepage will assu...

CVE-2022-49212

In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: atmel: fix refcount issue in atmelnandcontrollerinit The reference counting issue happens in several error handling paths on a refcounted object "nc-dmac". In these paths, the function simply returns the error code,...

CVE-2022-49212 mtd: rawnand: atmel: fix refcount issue in atmel_nand_controller_init

In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: atmel: fix refcount issue in atmelnandcontrollerinit The reference counting issue happens in several error handling paths on a refcounted object "nc-dmac". In these paths, the function simply returns the error code,...

CVE-2021-47635

CVE-2021-47635 concerns a Linux kernel ubifs page refcount bug when a page is marked with PG_private. The connected documents describe that UBIFS did not increase the page’s refcount after SetPagePrivate, causing the migration code to overestimate zero references and migrate pages still in use, p...

CVE-2024-57883

In the Linux kernel, the following vulnerability has been resolved: mm: hugetlb: independent PMD page table shared count The folio refcount may be increased unexpectly through trygetfolio by caller such as splithugepages. In hugepmdunshare, we use refcount to check whether a pmd page table is...

CVE-2024-57883 mm: hugetlb: independent PMD page table shared count

In the Linux kernel, the following vulnerability has been resolved: mm: hugetlb: independent PMD page table shared count The folio refcount may be increased unexpectly through trygetfolio by caller such as splithugepages. In hugepmdunshare, we use refcount to check whether a pmd page table is...

CVE-2024-57883 mm: hugetlb: independent PMD page table shared count

In the Linux kernel, the following vulnerability has been resolved: mm: hugetlb: independent PMD page table shared count The folio refcount may be increased unexpectly through trygetfolio by caller such as splithugepages. In hugepmdunshare, we use refcount to check whether a pmd page table is...

CVE-2024-57883

The CVE CVE-2024-57883 is a Linux kernel vulnerability in mm/hugetlb: independent PMD page table shared count. The root cause is an incorrect refcount increment in try_get_folio() that can be triggered by callers such as split_huge_pages, leading to a leaked PMD page table when the refcount is in...

CVE-2024-56775

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix handling of plane refcount Why The mechanism to backup and restore plane states doesn't maintain refcount, which can cause issues if the refcount of the plane changes in between backup and restore operations,...

CVE-2024-56644

In the Linux kernel, the following vulnerability has been resolved: net/ipv6: release expired exception dst cached in socket Dst objects get leaked in ip6negativeadvice when this function is executed for an expired IPv6 route located in the exception table. There are several conditions that must ...

AZL-55527 CVE-2024-56640 affecting package kernel for versions less than 6.6.76.1-1

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix LGR and link use-after-free issue We encountered a LGR/link use-after-free issue, which manifested as the LGR/link refcnt reaching 0 early and entering the clear process, making resource access unsafe. refcountt:...

DEBIAN-CVE-2024-56558

In the Linux kernel, the following vulnerability has been resolved: nfsd: make sure exp active before svcexportshow The function eshow was called with protection from RCU. This only ensures that exp will not be freed. Therefore, the reference count for exp can drop to zero, which will trigger a...

CVE-2024-56644

CVE-2024-56644 concerns a leak in the Linux kernel IPv6 path: when an ICMPv6 MTU-change creates an expired exception dst in the IPv6 exception table, and a TCP connection uses that dst, the dst may leak as its refcount becomes unbalanced after ip6_negative_advice() runs. The description specifies...

CVE-2024-56624 iommufd: Fix out_fput in iommufd_fault_alloc()

In the Linux kernel, the following vulnerability has been resolved: iommufd: Fix outfput in iommufdfaultalloc As fput calls the file-fop-release op, where fault obj and ictx are getting released, there is no need to release these two after fput one more time, which would result in imbalanced...

Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP6)

This update for the Linux Kernel 6.4.0-15060021 fixes several issues. The following security issues were fixed: CVE-2024-36904: tcp: Use refcountincnotzero in tcptwskunique bsc1225733. CVE-2024-43861: Fix memory leak for not ip packets bsc1229553. CVE-2024-35949: btrfs: make sure that WRITTEN is...