VULNERABILITY

Ubuntu: (Multiple Advisories) (CVE-2024-49982): Linux kernel vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2024-49982): Linux kernel vulnerabilities

Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
10/21/2024
Created
12/19/2024
Added
12/18/2024
Modified
03/05/2025

Description

In the Linux kernel, the following vulnerability has been resolved: aoe: fix the potential use-after-free problem in more places For fixing CVE-2023-6270, f98364e92662 ("aoe: fix the potential use-after-free problem in aoecmd_cfg_pkts") makes tx() calling dev_put() instead of doing in aoecmd_cfg_pkts(). It avoids that the tx() runs into use-after-free. Then Nicolai Stange found more places in aoe have potential use-after-free problem with tx(). e.g. revalidate(), aoecmd_ata_rw(), resend(), probe() and aoecmd_cfg_rsp(). Those functions also use aoenet_xmit() to push packet to tx queue. So they should also use dev_hold() to increase the refcnt of skb->dev. On the other hand, moving dev_put() to tx() causes that the refcnt of skb->dev be reduced to a negative value, because corresponding dev_hold() are not called in revalidate(), aoecmd_ata_rw(), resend(), probe(), and aoecmd_cfg_rsp(). This patch fixed this issue.

Solution(s)

  • ubuntu-upgrade-linux-image-5-15-0-1039-xilinx-zynqmp
  • ubuntu-upgrade-linux-image-5-15-0-1056-gkeop
  • ubuntu-upgrade-linux-image-5-15-0-1066-ibm
  • ubuntu-upgrade-linux-image-5-15-0-1066-raspi
  • ubuntu-upgrade-linux-image-5-15-0-1068-nvidia
  • ubuntu-upgrade-linux-image-5-15-0-1068-nvidia-lowlatency
  • ubuntu-upgrade-linux-image-5-15-0-1070-gke
  • ubuntu-upgrade-linux-image-5-15-0-1070-kvm
  • ubuntu-upgrade-linux-image-5-15-0-1071-intel-iotg
  • ubuntu-upgrade-linux-image-5-15-0-1071-oracle
  • ubuntu-upgrade-linux-image-5-15-0-1072-gcp
  • ubuntu-upgrade-linux-image-5-15-0-1073-aws
  • ubuntu-upgrade-linux-image-5-15-0-1078-azure
  • ubuntu-upgrade-linux-image-5-15-0-127-generic
  • ubuntu-upgrade-linux-image-5-15-0-127-generic-64k
  • ubuntu-upgrade-linux-image-5-15-0-127-generic-lpae
  • ubuntu-upgrade-linux-image-5-15-0-127-lowlatency
  • ubuntu-upgrade-linux-image-5-15-0-127-lowlatency-64k
  • ubuntu-upgrade-linux-image-5-4-0-1058-xilinx-zynqmp
  • ubuntu-upgrade-linux-image-5-4-0-1086-ibm
  • ubuntu-upgrade-linux-image-5-4-0-1099-bluefield
  • ubuntu-upgrade-linux-image-5-4-0-1127-kvm
  • ubuntu-upgrade-linux-image-5-4-0-1138-oracle
  • ubuntu-upgrade-linux-image-5-4-0-1140-aws
  • ubuntu-upgrade-linux-image-5-4-0-1143-gcp
  • ubuntu-upgrade-linux-image-5-4-0-1145-azure
  • ubuntu-upgrade-linux-image-5-4-0-208-generic
  • ubuntu-upgrade-linux-image-5-4-0-208-generic-lpae
  • ubuntu-upgrade-linux-image-5-4-0-208-lowlatency
  • ubuntu-upgrade-linux-image-6-11-0-1005-realtime
  • ubuntu-upgrade-linux-image-6-11-0-1008-raspi
  • ubuntu-upgrade-linux-image-6-11-0-1009-aws
  • ubuntu-upgrade-linux-image-6-11-0-1009-azure
  • ubuntu-upgrade-linux-image-6-11-0-1009-azure-fde
  • ubuntu-upgrade-linux-image-6-11-0-1009-gcp
  • ubuntu-upgrade-linux-image-6-11-0-1010-lowlatency
  • ubuntu-upgrade-linux-image-6-11-0-1010-lowlatency-64k
  • ubuntu-upgrade-linux-image-6-11-0-1011-oracle
  • ubuntu-upgrade-linux-image-6-11-0-1011-oracle-64k
  • ubuntu-upgrade-linux-image-6-11-0-1015-oem
  • ubuntu-upgrade-linux-image-6-11-0-18-generic
  • ubuntu-upgrade-linux-image-6-11-0-18-generic-64k
  • ubuntu-upgrade-linux-image-6-8-0-1006-gkeop
  • ubuntu-upgrade-linux-image-6-8-0-1019-gke
  • ubuntu-upgrade-linux-image-6-8-0-1019-raspi
  • ubuntu-upgrade-linux-image-6-8-0-1020-oracle
  • ubuntu-upgrade-linux-image-6-8-0-1020-oracle-64k
  • ubuntu-upgrade-linux-image-6-8-0-1022-nvidia
  • ubuntu-upgrade-linux-image-6-8-0-1022-nvidia-64k
  • ubuntu-upgrade-linux-image-6-8-0-1022-nvidia-lowlatency
  • ubuntu-upgrade-linux-image-6-8-0-1022-nvidia-lowlatency-64k
  • ubuntu-upgrade-linux-image-6-8-0-1023-aws
  • ubuntu-upgrade-linux-image-6-8-0-1024-gcp
  • ubuntu-upgrade-linux-image-6-8-0-1024-gcp-64k
  • ubuntu-upgrade-linux-image-6-8-0-54-generic
  • ubuntu-upgrade-linux-image-6-8-0-54-generic-64k
  • ubuntu-upgrade-linux-image-6-8-0-54-lowlatency
  • ubuntu-upgrade-linux-image-6-8-0-54-lowlatency-64k
  • 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-aws-lts-24-04
  • ubuntu-upgrade-linux-image-azure
  • ubuntu-upgrade-linux-image-azure-cvm
  • ubuntu-upgrade-linux-image-azure-fde
  • 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-64k
  • ubuntu-upgrade-linux-image-gcp-64k-lts-24-04
  • ubuntu-upgrade-linux-image-gcp-lts-20-04
  • ubuntu-upgrade-linux-image-gcp-lts-22-04
  • ubuntu-upgrade-linux-image-gcp-lts-24-04
  • 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-64k-hwe-24-04
  • ubuntu-upgrade-linux-image-generic-hwe-18-04
  • ubuntu-upgrade-linux-image-generic-hwe-20-04
  • ubuntu-upgrade-linux-image-generic-hwe-24-04
  • 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-6-8
  • 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-64k-hwe-22-04
  • ubuntu-upgrade-linux-image-lowlatency-hwe-18-04
  • ubuntu-upgrade-linux-image-lowlatency-hwe-20-04
  • ubuntu-upgrade-linux-image-lowlatency-hwe-22-04
  • ubuntu-upgrade-linux-image-nvidia
  • ubuntu-upgrade-linux-image-nvidia-6-8
  • ubuntu-upgrade-linux-image-nvidia-64k
  • ubuntu-upgrade-linux-image-nvidia-64k-6-8
  • ubuntu-upgrade-linux-image-nvidia-64k-hwe-22-04
  • ubuntu-upgrade-linux-image-nvidia-hwe-22-04
  • ubuntu-upgrade-linux-image-nvidia-lowlatency
  • ubuntu-upgrade-linux-image-nvidia-lowlatency-64k
  • 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-24-04
  • ubuntu-upgrade-linux-image-oem-24-04a
  • ubuntu-upgrade-linux-image-oem-24-04b
  • ubuntu-upgrade-linux-image-oem-osp1
  • ubuntu-upgrade-linux-image-oracle
  • ubuntu-upgrade-linux-image-oracle-64k
  • ubuntu-upgrade-linux-image-oracle-64k-lts-24-04
  • ubuntu-upgrade-linux-image-oracle-lts-20-04
  • ubuntu-upgrade-linux-image-oracle-lts-22-04
  • ubuntu-upgrade-linux-image-oracle-lts-24-04
  • ubuntu-upgrade-linux-image-raspi
  • ubuntu-upgrade-linux-image-raspi-nolpae
  • ubuntu-upgrade-linux-image-realtime
  • ubuntu-upgrade-linux-image-realtime-hwe-24-04
  • 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-virtual-hwe-24-04
  • ubuntu-upgrade-linux-image-xilinx-zynqmp

References

  • https://attackerkb.com/topics/cve-2024-49982
  • CVE - 2024-49982
  • USN-7166-1
  • USN-7166-2
  • USN-7166-3
  • USN-7166-4
  • USN-7186-1
  • USN-7186-2
  • USN-7194-1
  • USN-7276-1
  • USN-7277-1
  • USN-7293-1
  • USN-7294-1
  • USN-7294-2
  • USN-7294-3
  • USN-7294-4
  • USN-7295-1
  • USN-7301-1
  • USN-7303-1
  • USN-7303-2
  • USN-7303-3
  • USN-7304-1
  • USN-7310-1
  • USN-7311-1
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