跳转到帖子

Ubuntu: USN-6976-1 (CVE-2021-47171): Linux kernel vulnerabilities

recommended_posts

发布于
  • Members

Ubuntu: USN-6976-1 (CVE-2021-47171): Linux kernel vulnerabilities

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
03/25/2024
Created
11/21/2024
Added
11/19/2024
Modified
01/28/2025

Description

In the Linux kernel, the following vulnerability has been resolved: net: usb: fix memory leak in smsc75xx_bind Syzbot reported memory leak in smsc75xx_bind(). The problem was is non-freed memory in case of errors after memory allocation. backtrace: [<ffffffff84245b62>] kmalloc include/linux/slab.h:556 [inline] [<ffffffff84245b62>] kzalloc include/linux/slab.h:686 [inline] [<ffffffff84245b62>] smsc75xx_bind+0x7a/0x334 drivers/net/usb/smsc75xx.c:1460 [<ffffffff82b5b2e6>] usbnet_probe+0x3b6/0xc30 drivers/net/usb/usbnet.c:1728

Solution(s)

  • ubuntu-upgrade-linux-image-4-4-0-1135-aws
  • ubuntu-upgrade-linux-image-4-4-0-1136-kvm
  • ubuntu-upgrade-linux-image-4-4-0-1173-aws
  • ubuntu-upgrade-linux-image-4-4-0-258-generic
  • ubuntu-upgrade-linux-image-4-4-0-258-lowlatency
  • ubuntu-upgrade-linux-image-aws
  • ubuntu-upgrade-linux-image-generic
  • ubuntu-upgrade-linux-image-generic-lts-xenial
  • ubuntu-upgrade-linux-image-kvm
  • ubuntu-upgrade-linux-image-lowlatency
  • ubuntu-upgrade-linux-image-lowlatency-lts-xenial
  • ubuntu-upgrade-linux-image-virtual
  • ubuntu-upgrade-linux-image-virtual-lts-xenial

References

  • https://attackerkb.com/topics/cve-2021-47171
  • CVE - 2021-47171
  • USN-6976-1
  • https://git.kernel.org/stable/c/200dbfcad8011e50c3cec269ed7b980836eeb1fa
  • https://git.kernel.org/stable/c/22c840596af0c09068b6cf948616e6496e59e07f
  • https://git.kernel.org/stable/c/46a8b29c6306d8bbfd92b614ef65a47c900d8e70
  • https://git.kernel.org/stable/c/635ac38b36255d3cfb8312cf7c471334f4d537e0
  • https://git.kernel.org/stable/c/70c886ac93f87ae7214a0c69151a28a8075dd95b
  • https://git.kernel.org/stable/c/9e6a3eccb28779710cbbafc4f4258d92509c6d07
  • https://git.kernel.org/stable/c/9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbc
  • https://git.kernel.org/stable/c/b95fb96e6339e34694dd578fb6bde3575b01af17
  • https://ubuntu.com/security/notices/USN-6976-1
  • https://www.cve.org/CVERecord?id=CVE-2021-47171
View more
  • 查看数 703
  • 已创建
  • 最后回复

参与讨论

你可立刻发布并稍后注册。 如果你有帐户,立刻登录发布帖子。
注意:你的帖子需要版主批准后才能看到。

游客
回帖…