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Ubuntu: (CVE-2021-47443): linux vulnerability

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Ubuntu: (CVE-2021-47443): linux vulnerability

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
05/22/2024
Created
11/21/2024
Added
11/19/2024
Modified
02/11/2025

Description

In the Linux kernel, the following vulnerability has been resolved: NFC: digital: fix possible memory leak in digital_tg_listen_mdaa() 'params' is allocated in digital_tg_listen_mdaa(), but not free when digital_send_cmd() failed, which will cause memory leak. Fix it by freeing 'params' if digital_send_cmd() return failed.

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-ibm
  • 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-2021-47443
  • CVE - 2021-47443
  • https://git.kernel.org/linus/58e7dcc9ca29c14e44267a4d0ea61e3229124907
  • https://git.kernel.org/stable/c/3f2960b39f22e26cf8addae93c3f5884d1c183c9
  • https://git.kernel.org/stable/c/429054ec51e648d241a7e0b465cf44f6633334c5
  • https://git.kernel.org/stable/c/564249219e5b5673a8416b5181875d828c3f1e8c
  • https://git.kernel.org/stable/c/58e7dcc9ca29c14e44267a4d0ea61e3229124907
  • https://git.kernel.org/stable/c/7ab488d7228a9dceb2456867f1f0919decf6efed
  • https://git.kernel.org/stable/c/9881b0c860649f27ef2565deef011e516390f416
  • https://git.kernel.org/stable/c/a67d47e32c91e2b10402cb8c081774cbf08edb2e
  • https://git.kernel.org/stable/c/b7b023e6ff567e991c31cd425b0e1d16779c938b
  • https://www.cve.org/CVERecord?id=CVE-2021-47443
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