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Ubuntu: (CVE-2021-46909): linux vulnerability

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Ubuntu: (CVE-2021-46909): linux vulnerability

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
02/27/2024
Created
11/21/2024
Added
11/19/2024
Modified
02/11/2025

Description

In the Linux kernel, the following vulnerability has been resolved: ARM: footbridge: fix PCI interrupt mapping Since commit 30fdfb929e82 ("PCI: Add a call to pci_assign_irq() in pci_device_probe()"), the PCI code will call the IRQ mapping function whenever a PCI driver is probed. If these are marked as __init, this causes an oops if a PCI driver is loaded or bound after the kernel has initialised.

Solution(s)

  • ubuntu-upgrade-linux
  • ubuntu-upgrade-linux-aws
  • ubuntu-upgrade-linux-aws-5-4
  • ubuntu-upgrade-linux-aws-fips
  • ubuntu-upgrade-linux-aws-hwe
  • ubuntu-upgrade-linux-azure
  • ubuntu-upgrade-linux-azure-4-15
  • ubuntu-upgrade-linux-azure-5-4
  • ubuntu-upgrade-linux-azure-fips
  • ubuntu-upgrade-linux-bluefield
  • ubuntu-upgrade-linux-fips
  • ubuntu-upgrade-linux-gcp
  • ubuntu-upgrade-linux-gcp-4-15
  • ubuntu-upgrade-linux-gcp-5-4
  • ubuntu-upgrade-linux-gcp-fips
  • ubuntu-upgrade-linux-gkeop
  • ubuntu-upgrade-linux-hwe
  • ubuntu-upgrade-linux-hwe-5-4
  • ubuntu-upgrade-linux-kvm
  • ubuntu-upgrade-linux-oracle
  • ubuntu-upgrade-linux-oracle-5-4
  • ubuntu-upgrade-linux-raspi
  • ubuntu-upgrade-linux-raspi-5-4

References

  • https://attackerkb.com/topics/cve-2021-46909
  • CVE - 2021-46909
  • https://git.kernel.org/linus/30e3b4f256b4e366a61658c294f6a21b8626dda7
  • https://git.kernel.org/stable/c/1fc087fdb98d556b416c82ed6e3964a30885f47a
  • https://git.kernel.org/stable/c/2643da6aa57920d9159a1a579fb04f89a2b0d29a
  • https://git.kernel.org/stable/c/30e3b4f256b4e366a61658c294f6a21b8626dda7
  • https://git.kernel.org/stable/c/532747fd5c7aaa17ee5cf79f3e947c31eb0e35cf
  • https://git.kernel.org/stable/c/871b569a3e67f570df9f5ba195444dc7c621293b
  • https://git.kernel.org/stable/c/c3efce8cc9807339633ee30e39882f4c8626ee1d
  • https://www.cve.org/CVERecord?id=CVE-2021-46909
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