vulnerability
Ubuntu: USN-6976-1 (CVE-2021-47171): Linux kernel vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | Mar 25, 2024 | Nov 19, 2024 | Aug 18, 2025 |
Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
Mar 25, 2024
Added
Nov 19, 2024
Modified
Aug 18, 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
Solutions
ubuntu-upgrade-linux-image-4-4-0-1135-awsubuntu-upgrade-linux-image-4-4-0-1136-kvmubuntu-upgrade-linux-image-4-4-0-1173-awsubuntu-upgrade-linux-image-4-4-0-258-genericubuntu-upgrade-linux-image-4-4-0-258-lowlatencyubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-lts-xenialubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-lts-xenialubuntu-upgrade-linux-image-virtualubuntu-upgrade-linux-image-virtual-lts-xenial
References
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