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Ubuntu: (CVE-2020-36777): linux vulnerability

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Ubuntu: (CVE-2020-36777): 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: media: dvbdev: Fix memory leak in dvb_media_device_free() dvb_media_device_free() is leaking memory. Free `dvbdev->adapter->conn` before setting it to NULL, as documented in include/media/media-device.h: "The media_entity instance itself must be freed explicitly by the driver if required."

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-2020-36777
  • CVE - 2020-36777
  • https://git.kernel.org/linus/bf9a40ae8d722f281a2721779595d6df1c33a0bf
  • https://git.kernel.org/stable/c/06854b943e0571ccbd7ad0a529babed1a98ff275
  • https://git.kernel.org/stable/c/32168ca1f123316848fffb85d059860adf3c409f
  • https://git.kernel.org/stable/c/43263fd43083e412311fa764cd04a727b0c6a749
  • https://git.kernel.org/stable/c/9185b3b1c143b8da409c19ac5a785aa18d67a81b
  • https://git.kernel.org/stable/c/9ad15e214fcd73694ea51967d86055f47b802066
  • https://git.kernel.org/stable/c/bf9a40ae8d722f281a2721779595d6df1c33a0bf
  • https://git.kernel.org/stable/c/cd89f79be5d553c78202f686e8e4caa5fbe94e98
  • https://git.kernel.org/stable/c/cede24d13be6c2a62be6d7ceea63c2719b0cfa82
  • https://www.cve.org/CVERecord?id=CVE-2020-36777
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