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Red Hat: CVE-2023-3812: kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags (Multiple Advisories)

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Red Hat: CVE-2023-3812: kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags (Multiple Advisories)

Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
07/24/2023
Created
11/23/2023
Added
11/22/2023
Modified
01/28/2025

Description

An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious (too big) networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system.

Solution(s)

  • redhat-upgrade-kernel
  • redhat-upgrade-kernel-rt

References

  • CVE-2023-3812
  • RHSA-2023:7370
  • RHSA-2023:7379
  • RHSA-2023:7382
  • RHSA-2023:7389
  • RHSA-2023:7411
  • RHSA-2023:7418
  • RHSA-2023:7548
  • RHSA-2023:7549
  • RHSA-2023:7554
  • RHSA-2024:0340
  • RHSA-2024:0378
  • RHSA-2024:0412
  • RHSA-2024:0461
  • RHSA-2024:0554
  • RHSA-2024:0575
View more
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