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With package: virtio-win

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Published
Permalink CVE-2026-5165
6.7 MEDIUM
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Local (L)
  • Attack Complexity (AC): Low (L)
  • Privileges Required (PR): High (H)
  • User Interaction (UI): None (N)
  • Scope (S): Unchanged (U)
  • Confidentiality (C): High (H)
  • Integrity (I): High (H)
  • Availability (A): High (H)
  • Modified Attack Vector (MAV): Local (L)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Privileges Required (MPR): High (H)
  • Modified User Interaction (MUI): None (N)
  • Modified Confidentiality (MC): High (H)
  • Modified Scope (MS): Unchanged (U)
  • Modified Integrity (MI): High (H)
  • Modified Availability (MA): High (H)
updated 2 months, 3 weeks ago by @mweinelt Activity log
  • Created suggestion 2 months, 3 weeks ago
  • @mweinelt accepted 2 months, 3 weeks ago
  • @mweinelt published on GitHub 2 months, 3 weeks ago
Virtio-win: virtio-win: memory corruption via use-after-free in virtio blk device reset

A flaw was found in virtio-win, specifically within the VirtIO Block (BLK) device. When the device undergoes a reset, it fails to properly manage memory, resulting in a use-after-free vulnerability. This issue could allow a local attacker to corrupt system memory, potentially leading to system instability or unexpected behavior.

Affected products

virtio-win

Matching in nixpkgs

Package maintainers

https://github.com/virtio-win/kvm-guest-drivers-windows/pull/1493
Published
Permalink CVE-2026-5164
6.7 MEDIUM
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Local (L)
  • Attack Complexity (AC): Low (L)
  • Privileges Required (PR): High (H)
  • User Interaction (UI): None (N)
  • Scope (S): Unchanged (U)
  • Confidentiality (C): High (H)
  • Integrity (I): High (H)
  • Availability (A): High (H)
  • Modified Attack Vector (MAV): Local (L)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Privileges Required (MPR): High (H)
  • Modified User Interaction (MUI): None (N)
  • Modified Confidentiality (MC): High (H)
  • Modified Scope (MS): Unchanged (U)
  • Modified Integrity (MI): High (H)
  • Modified Availability (MA): High (H)
updated 2 months, 3 weeks ago by @mweinelt Activity log
  • Created suggestion 2 months, 3 weeks ago
  • @mweinelt accepted 2 months, 3 weeks ago
  • @mweinelt published on GitHub 2 months, 3 weeks ago
Virtio-win: virtio-win: denial of service via unvalidated descriptor count in unmap request

A flaw was found in virtio-win. The `RhelDoUnMap()` function does not properly validate the number of descriptors provided by a user during an unmap request. A local user could exploit this input validation vulnerability by supplying an excessive number of descriptors, leading to a buffer overrun. This can cause a system crash, resulting in a Denial of Service (DoS).

Affected products

virtio-win

Matching in nixpkgs

Package maintainers

https://github.com/virtio-win/kvm-guest-drivers-windows/pull/1504