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Ubuntu: (Multiple Advisories) (CVE-2024-26800): Linux kernel vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2024-26800): Linux kernel vulnerabilities

Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
04/04/2024
Created
11/05/2024
Added
11/04/2024
Modified
01/28/2025

Description

In the Linux kernel, the following vulnerability has been resolved: tls: fix use-after-free on failed backlog decryption When the decrypt request goes to the backlog and crypto_aead_decrypt returns -EBUSY, tls_do_decryption will wait until all async decryptions have completed. If one of them fails, tls_do_decryption will return -EBADMSG and tls_decrypt_sg jumps to the error path, releasing all the pages. But the pages have been passed to the async callback, and have already been released by tls_decrypt_done. The only true async case is when crypto_aead_decrypt returns -EINPROGRESS. With -EBUSY, we already waited so we can tell tls_sw_recvmsg that the data is available for immediate copy, but we need to notify tls_decrypt_sg (via the new ->async_done flag) that the memory has already been released.

Solution(s)

  • ubuntu-upgrade-linux-image-5-15-0-1038-xilinx-zynqmp
  • ubuntu-upgrade-linux-image-5-15-0-1055-gkeop
  • ubuntu-upgrade-linux-image-5-15-0-1065-ibm
  • ubuntu-upgrade-linux-image-5-15-0-1065-raspi
  • ubuntu-upgrade-linux-image-5-15-0-1067-intel-iotg
  • ubuntu-upgrade-linux-image-5-15-0-1067-nvidia
  • ubuntu-upgrade-linux-image-5-15-0-1067-nvidia-lowlatency
  • ubuntu-upgrade-linux-image-5-15-0-1069-gke
  • ubuntu-upgrade-linux-image-5-15-0-1069-kvm
  • ubuntu-upgrade-linux-image-5-15-0-1070-oracle
  • ubuntu-upgrade-linux-image-5-15-0-1071-gcp
  • ubuntu-upgrade-linux-image-5-15-0-1072-aws
  • ubuntu-upgrade-linux-image-5-15-0-1075-azure
  • ubuntu-upgrade-linux-image-5-15-0-1078-azure
  • ubuntu-upgrade-linux-image-5-15-0-125-generic
  • ubuntu-upgrade-linux-image-5-15-0-125-generic-64k
  • ubuntu-upgrade-linux-image-5-15-0-125-generic-lpae
  • ubuntu-upgrade-linux-image-5-15-0-125-lowlatency
  • ubuntu-upgrade-linux-image-5-15-0-125-lowlatency-64k
  • ubuntu-upgrade-linux-image-5-4-0-1044-iot
  • ubuntu-upgrade-linux-image-5-4-0-1054-xilinx-zynqmp
  • ubuntu-upgrade-linux-image-5-4-0-1082-ibm
  • ubuntu-upgrade-linux-image-5-4-0-1094-bluefield
  • ubuntu-upgrade-linux-image-5-4-0-1102-gkeop
  • ubuntu-upgrade-linux-image-5-4-0-1119-raspi
  • ubuntu-upgrade-linux-image-5-4-0-1123-kvm
  • ubuntu-upgrade-linux-image-5-4-0-1134-oracle
  • ubuntu-upgrade-linux-image-5-4-0-1135-aws
  • ubuntu-upgrade-linux-image-5-4-0-1139-azure
  • ubuntu-upgrade-linux-image-5-4-0-1139-gcp
  • ubuntu-upgrade-linux-image-5-4-0-1140-azure
  • ubuntu-upgrade-linux-image-5-4-0-200-generic
  • ubuntu-upgrade-linux-image-5-4-0-200-generic-lpae
  • ubuntu-upgrade-linux-image-5-4-0-200-lowlatency
  • ubuntu-upgrade-linux-image-aws
  • ubuntu-upgrade-linux-image-aws-lts-20-04
  • ubuntu-upgrade-linux-image-aws-lts-22-04
  • ubuntu-upgrade-linux-image-azure
  • ubuntu-upgrade-linux-image-azure-cvm
  • ubuntu-upgrade-linux-image-azure-lts-20-04
  • ubuntu-upgrade-linux-image-azure-lts-22-04
  • ubuntu-upgrade-linux-image-bluefield
  • ubuntu-upgrade-linux-image-gcp
  • ubuntu-upgrade-linux-image-gcp-lts-20-04
  • 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-18-04
  • 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-gkeop-5-4
  • ubuntu-upgrade-linux-image-ibm
  • ubuntu-upgrade-linux-image-ibm-lts-20-04
  • 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-18-04
  • ubuntu-upgrade-linux-image-lowlatency-hwe-20-04
  • ubuntu-upgrade-linux-image-nvidia
  • ubuntu-upgrade-linux-image-nvidia-lowlatency
  • ubuntu-upgrade-linux-image-oem
  • 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-osp1
  • ubuntu-upgrade-linux-image-oracle
  • ubuntu-upgrade-linux-image-oracle-lts-20-04
  • ubuntu-upgrade-linux-image-oracle-lts-22-04
  • ubuntu-upgrade-linux-image-raspi
  • ubuntu-upgrade-linux-image-raspi-hwe-18-04
  • ubuntu-upgrade-linux-image-raspi-nolpae
  • ubuntu-upgrade-linux-image-raspi2
  • ubuntu-upgrade-linux-image-snapdragon-hwe-18-04
  • ubuntu-upgrade-linux-image-virtual
  • ubuntu-upgrade-linux-image-virtual-hwe-18-04
  • ubuntu-upgrade-linux-image-virtual-hwe-20-04
  • ubuntu-upgrade-linux-image-xilinx-zynqmp

References

  • https://attackerkb.com/topics/cve-2024-26800
  • CVE - 2024-26800
  • USN-7088-1
  • USN-7088-2
  • USN-7088-3
  • USN-7088-4
  • USN-7088-5
  • USN-7100-1
  • USN-7100-2
  • USN-7119-1
  • USN-7123-1
  • USN-7144-1
  • USN-7194-1
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