CVE-2023-2598

CVE-2023-2598 Escalada de privilegios A través de CVE-2023-2598, comprender los mecanismos de Compound Page y folio en Linux, y posteriormente ver si se puede completar la explotación del 1day CVE-2023-6560. Compound Pagehuge page La memoria es cada vez mayor, pero la unidad básica de asignación ...

PT-2026-106588

In the Linux kernel, the following vulnerability has been resolved: fs/dax: check zero or empty entry before converting xarray entry Calling dax to folio with empty entry causes kernel panic below when booting a VM with DAX enabled storage. This patch checks empty entry before calling dax to foli...

PT-2026-106554

In the Linux kernel, the following vulnerability has been resolved: mm/shrinker: fix bogus set shrinker bit with cgroup.memory=nokmem With cgroup.memory=nokmem, shrinker memcg alloc bails out early and never allocates an id, so shrinker-id keeps the 0 it got from the kzalloc in shrinker alloc. li...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm: Use memallocnofssave in pagecacheraorder. See commit f2c817bed58d “mm: Use memallocnofssave in readahead”, ensure that pagecacheraorder does not attempt to reclaim file-backed pages too often, as this can lead to a deadlock...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: s390/uv: Do not call foliowaitwriteback without a folio reference. foliowaitwriteback requires that no spinlocks are held and that a folio reference is held, as documented. After we removed the PTL, the folio object could be free...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: a fix was made to avoid a Use-After-Free issue in f2fswriteendio. According to syzbot, a use-after-free issue occurred in f2fswriteendio. This issue is caused by the following race condition: Loop device Unmount Worker...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mm/secretmem: fixed a use-after-free race condition in the fault handler. When a page fault occurs in a secret memory file created with memfdsecret2, the kernel will allocate a new folio for it, mark the underlying page as not...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm: zswap: fix missing folio cleanup in writeback race path In zswapwritebackentry, after obtaining a folio from readswapcacheasync, we reacquire the tree lock to ensure that the swap entry was not invalidated or recycled. If it...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm/migrate: fixed the issue where shmem xarray updates occur during migration. A shmem folio can be either in the page cache or in the swap cache, but not both at the same time. Specifically, once it is in the swap cache,...

Astra Linux – Vulnerability in Linux 6.1

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

Rocky Linux 8 [CIQ] Security Update: bpftool / bpftool-debuginfo / kernel / kernel-abi-stablelists / etc (crlsa-2026_3464)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20263464 advisory. kernel: Linux kernel: Denial of Service due to a deadlock in hugetlb folio migration CVE-2026-23097 Tenable has extracted the preceding description block directly...

Rocky Linux 9 [CIQ] Security Update: kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (crlsa-2026_3488)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20263488 advisory. kernel: smc: Use skdstget and dstdevrcu in smcclcprfxmatch CVE-2025-40168 kernel: ipv6: BUG in pskbexpandhead as part of calipsoskbuffsetattr CVE-2025-7108...

Rocky Linux 9 [CIQ] Security Update: kernel-64k-debug-debuginfo / kernel-64k-debuginfo Multiple Vulnerabilities (crxsa-2026_3488)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crxsa-20263488 advisory. kernel: smc: Use skdstget and dstdevrcu in smcclcprfxmatch CVE-2025-40168 kernel: ipv6: BUG in pskbexpandhead as part of calipsoskbuffsetattr CVE-2025-7108...

Rocky Linux 8 [CIQ] Security Update: kernel-rt / kernel-rt-core / kernel-rt-debug / kernel-rt-debug-core / etc (crlsa-2026_3463)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20263463 advisory. kernel: Linux kernel: Denial of Service due to a deadlock in hugetlb folio migration CVE-2026-23097 Tenable has extracted the preceding description block directly...

SUSE CVE-2026-98106

In the Linux kernel, the following vulnerability has been resolved: drm/pagemap: Prevent double migration of device pages A device-private folio migrated to system memory by a CPU fault can remain reachable through the raw-PFN eviction path until migration finalization drops the source reference...

CVE-2026-98118

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix readahead synchronisation issues by loading all folios upfront There are some synchronisation issues that derive from the app thread adding more folios to the rolling buffer whilst the collector thread is looking at th...

UBUNTU-CVE-2026-98118

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix readahead synchronisation issues by loading all folios upfront There are some synchronisation issues that derive from the app thread adding more folios to the rolling buffer whilst the collector thread is looking at th...

EUVD-2026-86949

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix readahead synchronisation issues by loading all folios upfront There are some synchronisation issues that derive from the app thread adding more folios to the rolling buffer whilst the collector thread is looking at th...

CVE-2026-98118 netfs: Fix readahead synchronisation issues by loading all folios upfront

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix readahead synchronisation issues by loading all folios upfront There are some synchronisation issues that derive from the app thread adding more folios to the rolling buffer whilst the collector thread is looking at th...

EUVD-2026-86937

In the Linux kernel, the following vulnerability has been resolved: drm/pagemap: Prevent double migration of device pages A device-private folio migrated to system memory by a CPU fault can remain reachable through the raw-PFN eviction path until migration finalization drops the source reference...