kernel: Fix of 39 CVEs

nfs: fix UAF in direct writes CVE-2024-26958 - NFSD: Fix the behavior of READ near OFFSETMAX CVE-2022-48827 - thermal: core: prevent potential string overflow CVE-2023-52868 - ath5k: fix OOB in ath5keepromreadpcalinfo5111 CVE-2021-47633 - RDMA/cma: Ensure rdmaaddrcancel happens before issuing...

CVE-2022-50575 xen/privcmd: Fix a possible warning in privcmd_ioctl_mmap_resource()

In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: Fix a possible warning in privcmdioctlmmapresource As 'kdata.num' is user-controlled data, if user tries to allocate memory larger than= MAXORDER, then kcalloc will fail, it creates a stack trace and messes up dmesg...

CVE-2022-50571 btrfs: call __btrfs_remove_free_space_cache_locked on cache load failure

In the Linux kernel, the following vulnerability has been resolved: btrfs: call btrfsremovefreespacecachelocked on cache load failure Now that lockdep is staying enabled through our entire CI runs I started seeing the following stack in generic/475 ------------ cut here ------------ WARNING: CPU:...

workqueue: Do not warn when cancelling WQ_MEM_RECLAIM work from !WQ_MEM_RECLAIM worker

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PT-2025-43115

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw within the DRM/STM subsystem, specifically in the ltdc driver. A late dereference check in the ltdc crtc set crc source function could lead to a kernel...

CVE-2022-50575: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: Fix a possible warning in privcmdioctlmmapresource As 'kdata.num' is user-controlled data, if user tries to allocate memory larger than= MAXORDER, then kcalloc will fail, it creates a stack trace and messes up dmesg...

EUVD-2022-54705

In the Linux kernel, the following vulnerability has been resolved: media: cx25821: Fix the warning when removing the module When removing the module, we will get the following warning: 14.746697 removeprocentry: removing non-empty directory 'irq/21', leaking at least 'cx258211' 14.747449 WARNING...

EUVD-2022-54890

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: CT: Fix cleanup of CT before cleanup of TC ct rules CT cleanup assumes that all tc rules were deleted first, and so is free to delete the CT shared resources e.g the draction fwdaction which is shared for all tuples. B...

EUVD-2022-54967

In the Linux kernel, the following vulnerability has been resolved: block: don't delete queue kobject before its children kobjects aren't supposed to be deleted before their child kobjects are deleted. Apparently this is usually benign; however, a WARN will be triggered if one of the child kobjec...

EUVD-2022-54999

In the Linux kernel, the following vulnerability has been resolved: igc: avoid kernel warning when changing RX ring parameters Calling ethtool changing the RX ring parameters like this: $ ethtool -G eth0 rx 1024 on igc triggers kernel warnings like this: 225.198467 ------------ cut here...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987640)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987640 advisory. In the Linux kernel, the following vulnerability has been resolved: net: ipv4: fix route with nexthop object delete warning FRR folks have hit a kernel warning1 whil...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-987705)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987705 advisory. In the Linux kernel, the following vulnerability has been resolved: w1: fix WARNING after calling w1process I got the following WARNING message while removing...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987618)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987618 advisory. In the Linux kernel, the following vulnerability has been resolved: mac80211: limit injected vht mcs/nss in ieee80211parsetxradiotap Limit max values for vht mcs and...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987532)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987532 advisory. In the Linux kernel, the following vulnerability has been resolved: powerpc/fixmap: Fix VM debug warning on unmap Unmapping a fixmap entry is done by calling setfixm...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-987707)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987707 advisory. In the Linux kernel, the following vulnerability has been resolved: net: USB: Fix wrong-direction WARNING in plusb.c The syzbot fuzzer detected a bug in the plusb...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987553)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987553 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: don't BUG if someone dirty pages without asking ext4 first unpinuserpagesremote is dirtying...

EUVD-2025-35068

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix warning in smcrxsplice when calling getpage smcloregisterdmb allocates DMB buffers with kzalloc, which are later passed to getpage in smcrxsplice. Since kmalloc memory is not page-backed, this triggers WARNONONCE in...

CVE-2025-40012

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix warning in smcrxsplice when calling getpage smcloregisterdmb allocates DMB buffers with kzalloc, which are later passed to getpage in smcrxsplice. Since kmalloc memory is not page-backed, this triggers WARNONONCE in...

UBUNTU-CVE-2025-40012

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix warning in smcrxsplice when calling getpage smcloregisterdmb allocates DMB buffers with kzalloc, which are later passed to getpage in smcrxsplice. Since kmalloc memory is not page-backed, this triggers WARNONONCE in...

CVE-2025-40012

CVE-2025-40012 is a Linux kernel vulnerability in net/smc where smc_lo_register_dmb() allocates DMB buffers with kzalloc() and smc_rx_splice() calls get_page() on them; since kzalloc memory isn’t page-backed this triggers WARN_ON_ONCE() and can lead to a use-after-free if memory is released befor...