CVE-2025-21933

In the Linux kernel, the following vulnerability has been resolved: arm: pgtable: fix NULL pointer dereference issue When updatemmucacherange is called by updatemmucache, the vmf parameter is NULL, which will cause a NULL pointer dereference issue in adjustpte: Unable to handle kernel NULL pointe...

UBUNTU-CVE-2025-21932

In the Linux kernel, the following vulnerability has been resolved: mm: abort vmamodify on merge out of memory failure The remainder of vmamodify relies upon the vmg state remaining pristine after a merge attempt. Usually this is the case, however in the one edge case scenario of a merge attempt...

CVE-2025-21983

In the Linux kernel, the following vulnerability has been resolved: mm/slab/kvfreercu: Switch to WQMEMRECLAIM wq Currently kvfreercu APIs use a system workqueue which is "systemunboundwq" to driver RCU machinery to reclaim a memory. Recently, it has been noted that the following kernel warning ca...

CVE-2025-21979 wifi: cfg80211: cancel wiphy_work before freeing wiphy

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: cancel wiphywork before freeing wiphy A wiphywork can be queued from the moment the wiphy is allocated and initialized i.e. wiphynewnm. When a wiphywork is queued, the rdev::wiphywork is getting queued. If wiphyfr...

CVE-2025-21979

CVE-2025-21979 affects the Linux kernel wifi stack (cfg80211). A wiphy_work can be queued as soon as the wiphy is allocated (wiphy_new_nm). If wiphy_free runs before the rdev::wiphy_work executes, the wiphy memory is freed and later accessed, leading to a use-after-free. The fix is to cancel the ...

CVE-2025-21979 wifi: cfg80211: cancel wiphy_work before freeing wiphy

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: cancel wiphywork before freeing wiphy A wiphywork can be queued from the moment the wiphy is allocated and initialized i.e. wiphynewnm. When a wiphywork is queued, the rdev::wiphywork is getting queued. If wiphyfr...

CVE-2025-21976 fbdev: hyperv_fb: Allow graceful removal of framebuffer

In the Linux kernel, the following vulnerability has been resolved: fbdev: hypervfb: Allow graceful removal of framebuffer When a Hyper-V framebuffer device is unbind, hypervfb driver tries to release the framebuffer forcefully. If this framebuffer is in use it produce the following WARN and henc...

CVE-2025-21976

CVE-2025-21976 affects the Linux kernel fbdev/hyperv_fb driver. Unbinding a Hyper‑V framebuffer can trigger framebuffer_release while the framebuffer is in use, causing a WARN and potential failure to release resources. The fix moves framebuffer and memory release to fb_ops.fb_destroy for gracefu...

CVE-2025-21935 rapidio: add check for rio_add_net() in rio_scan_alloc_net()

In the Linux kernel, the following vulnerability has been resolved: rapidio: add check for rioaddnet in rioscanallocnet The return value of rioaddnet should be checked. If it fails, putdevice should be called to free the memory and give up the reference initialized in rioaddnet...

CVE-2025-21935

In CVE-2025-21935, the Linux kernel rapidio subsystem fixes a missing check in rio_scan_alloc_net(): the return value of rio_add_net() must be checked, and if it fails, put_device() should be called to free memory and drop the reference from rio_add_net(). This prevents potential memory leaks and...

CVE-2025-21935 rapidio: add check for rio_add_net() in rio_scan_alloc_net()

In the Linux kernel, the following vulnerability has been resolved: rapidio: add check for rioaddnet in rioscanallocnet The return value of rioaddnet should be checked. If it fails, putdevice should be called to free the memory and give up the reference initialized in rioaddnet...

CVE-2025-21931 hwpoison, memory_hotplug: lock folio before unmap hwpoisoned folio

In the Linux kernel, the following vulnerability has been resolved: hwpoison, memoryhotplug: lock folio before unmap hwpoisoned folio Commit b15c87263a69 "hwpoison, memoryhotplug: allow hwpoisoned pages to be offlined add page poison checks in domigraterange in order to make offline hwpoisoned pa...

CVE-2025-21932 mm: abort vma_modify() on merge out of memory failure

In the Linux kernel, the following vulnerability has been resolved: mm: abort vmamodify on merge out of memory failure The remainder of vmamodify relies upon the vmg state remaining pristine after a merge attempt. Usually this is the case, however in the one edge case scenario of a merge attempt...

CVE-2025-21931

CVE-2025-21931 affects the Linux kernel memory hotplug path (hwpoison) and was fixed by ensuring folio lock is held before unmapping hwpoisoned folio. The fix adds the folio lock around unmap calls in do_migrate_range/try_to_unmap to prevent the kernel BUG triggered when folio is not locked. The ...

CVE-2025-21931 hwpoison, memory_hotplug: lock folio before unmap hwpoisoned folio

In the Linux kernel, the following vulnerability has been resolved: hwpoison, memoryhotplug: lock folio before unmap hwpoisoned folio Commit b15c87263a69 "hwpoison, memoryhotplug: allow hwpoisoned pages to be offlined add page poison checks in domigraterange in order to make offline hwpoisoned pa...

CVE-2025-21928 HID: intel-ish-hid: Fix use-after-free issue in ishtp_hid_remove()

In the Linux kernel, the following vulnerability has been resolved: HID: intel-ish-hid: Fix use-after-free issue in ishtphidremove The system can experience a random crash a few minutes after the driver is removed. This issue occurs due to improper handling of memory freeing in the ishtphidremove...

CVE-2025-21928

CVE-2025-21928 : In the Linux kernel HID intel-ish-hid driver, a use-after-free issue in ishtp_hid_remove() can occur, leading to a random crash minutes after the driver is removed. The root cause is improper memory handling where the code frees driver_data inside the loop that destroys HID devic...

CVE-2025-21907

CVE-2025-21907 documents a Linux kernel memory-management issue: during folio migration, unmap_poisoned_folio() must set TTU_HWPOISON for anon folio (and align policy with hwpoison_user_mappings for pagecache). The patch series mm: memory_failure: unmap poisoned folio during migrate properly fixe...

USN-7379-2 linux-raspi vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - RISC-V architecture; - S390 architecture; - x86...

Vulnerabilities fixed in Apple iOS and iPadOS

Apple has fixed several vulnerabilities in iOS and iPadOS. The vulnerabilities include memory management issues, unauthorized access to sensitive user data, and the ability for applications to escape their sandbox environments. These vulnerabilities could lead to unauthorized access, data...