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Ubuntu: (Multiple Advisories) (CVE-2023-52462): Linux kernel (OEM) vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2023-52462): Linux kernel (OEM) vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
02/23/2024
Created
03/13/2024
Added
03/12/2024
Modified
05/17/2024

Description

In the Linux kernel, the following vulnerability has been resolved: bpf: fix check for attempt to corrupt spilled pointer When register is spilled onto a stack as a 1/2/4-byte register, we set slot_type[BPF_REG_SIZE - 1] (plus potentially few more below it, depending on actual spill size). So to check if some stack slot has spilled register we need to consult slot_type[7], not slot_type[0]. To avoid the need to remember and double-check this in the future, just use is_spilled_reg() helper.

Solution(s)

  • ubuntu-upgrade-linux-image-5-15-0-102-generic
  • ubuntu-upgrade-linux-image-5-15-0-102-generic-64k
  • ubuntu-upgrade-linux-image-5-15-0-102-generic-lpae
  • ubuntu-upgrade-linux-image-5-15-0-102-lowlatency
  • ubuntu-upgrade-linux-image-5-15-0-102-lowlatency-64k
  • ubuntu-upgrade-linux-image-5-15-0-1040-gkeop
  • ubuntu-upgrade-linux-image-5-15-0-1048-nvidia
  • ubuntu-upgrade-linux-image-5-15-0-1048-nvidia-lowlatency
  • ubuntu-upgrade-linux-image-5-15-0-1050-ibm
  • ubuntu-upgrade-linux-image-5-15-0-1050-raspi
  • ubuntu-upgrade-linux-image-5-15-0-1052-intel-iotg
  • ubuntu-upgrade-linux-image-5-15-0-1054-gke
  • ubuntu-upgrade-linux-image-5-15-0-1054-kvm
  • ubuntu-upgrade-linux-image-5-15-0-1055-gcp
  • ubuntu-upgrade-linux-image-5-15-0-1055-oracle
  • ubuntu-upgrade-linux-image-5-15-0-1057-aws
  • ubuntu-upgrade-linux-image-5-15-0-1060-azure
  • ubuntu-upgrade-linux-image-5-15-0-1060-azure-fde
  • ubuntu-upgrade-linux-image-6-1-0-1035-oem
  • ubuntu-upgrade-linux-image-6-5-0-1022-oem
  • ubuntu-upgrade-linux-image-aws
  • ubuntu-upgrade-linux-image-aws-lts-22-04
  • ubuntu-upgrade-linux-image-azure
  • ubuntu-upgrade-linux-image-azure-cvm
  • ubuntu-upgrade-linux-image-azure-fde
  • ubuntu-upgrade-linux-image-azure-fde-lts-22-04
  • ubuntu-upgrade-linux-image-azure-lts-22-04
  • ubuntu-upgrade-linux-image-gcp
  • ubuntu-upgrade-linux-image-gcp-lts-22-04
  • ubuntu-upgrade-linux-image-generic
  • ubuntu-upgrade-linux-image-generic-64k
  • ubuntu-upgrade-linux-image-generic-64k-hwe-20-04
  • ubuntu-upgrade-linux-image-generic-hwe-20-04
  • ubuntu-upgrade-linux-image-generic-lpae
  • ubuntu-upgrade-linux-image-generic-lpae-hwe-20-04
  • ubuntu-upgrade-linux-image-gke
  • ubuntu-upgrade-linux-image-gke-5-15
  • ubuntu-upgrade-linux-image-gkeop
  • ubuntu-upgrade-linux-image-gkeop-5-15
  • ubuntu-upgrade-linux-image-ibm
  • ubuntu-upgrade-linux-image-intel
  • ubuntu-upgrade-linux-image-intel-iotg
  • ubuntu-upgrade-linux-image-kvm
  • ubuntu-upgrade-linux-image-lowlatency
  • ubuntu-upgrade-linux-image-lowlatency-64k
  • ubuntu-upgrade-linux-image-lowlatency-64k-hwe-20-04
  • ubuntu-upgrade-linux-image-lowlatency-hwe-20-04
  • ubuntu-upgrade-linux-image-nvidia
  • ubuntu-upgrade-linux-image-nvidia-lowlatency
  • ubuntu-upgrade-linux-image-oem-20-04
  • ubuntu-upgrade-linux-image-oem-20-04b
  • ubuntu-upgrade-linux-image-oem-20-04c
  • ubuntu-upgrade-linux-image-oem-20-04d
  • ubuntu-upgrade-linux-image-oem-22-04
  • ubuntu-upgrade-linux-image-oem-22-04a
  • ubuntu-upgrade-linux-image-oem-22-04b
  • ubuntu-upgrade-linux-image-oem-22-04c
  • ubuntu-upgrade-linux-image-oem-22-04d
  • ubuntu-upgrade-linux-image-oracle
  • ubuntu-upgrade-linux-image-oracle-lts-22-04
  • ubuntu-upgrade-linux-image-raspi
  • ubuntu-upgrade-linux-image-raspi-nolpae
  • ubuntu-upgrade-linux-image-virtual
  • ubuntu-upgrade-linux-image-virtual-hwe-20-04

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