CVE-2026-43500 CVE-2026-43284
ubuntu以上漏洞内核升级
下载附件：kernel-pkg-ubuntu20.04-5.4.0-231.251.tar.gz
上传到ubuntu上解压
sudo dpkg -i *.deb
Selecting previously unselected package linux-headers-5.4.0-231.
(Reading database ... 120008 files and directories currently installed.)
Preparing to unpack linux-headers-5.4.0-231_5.4.0-231.251_all.deb ...
Unpacking linux-headers-5.4.0-231 (5.4.0-231.251) ...
Selecting previously unselected package linux-headers-5.4.0-231-generic.
Preparing to unpack linux-headers-5.4.0-231-generic_5.4.0-231.251_amd64.deb ...
Unpacking linux-headers-5.4.0-231-generic (5.4.0-231.251) ...
Selecting previously unselected package linux-image-5.4.0-231-generic.
Preparing to unpack linux-image-5.4.0-231-generic_5.4.0-231.251_amd64.deb ...
Unpacking linux-image-5.4.0-231-generic (5.4.0-231.251) ...
Preparing to unpack linux-libc-dev_5.4.0-231.251_amd64.deb ...
Unpacking linux-libc-dev:amd64 (5.4.0-231.251) over (5.4.0-216.236) ...
Selecting previously unselected package linux-modules-5.4.0-231-generic.
Preparing to unpack linux-modules-5.4.0-231-generic_5.4.0-231.251_amd64.deb ...
Unpacking linux-modules-5.4.0-231-generic (5.4.0-231.251) ...
Setting up linux-headers-5.4.0-231 (5.4.0-231.251) ...
Setting up linux-headers-5.4.0-231-generic (5.4.0-231.251) ...
Setting up linux-libc-dev:amd64 (5.4.0-231.251) ...
Setting up linux-modules-5.4.0-231-generic (5.4.0-231.251) ...
Setting up linux-image-5.4.0-231-generic (5.4.0-231.251) ...
I: /boot/vmlinuz.old is now a symlink to vmlinuz-5.4.0-230-generic
I: /boot/initrd.img.old is now a symlink to initrd.img-5.4.0-230-generic
I: /boot/vmlinuz is now a symlink to vmlinuz-5.4.0-231-generic
I: /boot/initrd.img is now a symlink to initrd.img-5.4.0-231-generic
Processing triggers for linux-image-5.4.0-231-generic (5.4.0-231.251) ...
/etc/kernel/postinst.d/initramfs-tools:
update-initramfs: Generating /boot/initrd.img-5.4.0-231-generic
WARNING: no /lib/libcastools/libnss_files.? file
WARNING: no /lib/libcastools/libnss_dns.? file
WARNING: no /lib/libcastools/libresolv.? file
/etc/kernel/postinst.d/zz-update-grub:
Sourcing file `/etc/default/grub'
Sourcing file `/etc/default/grub.d/init-select.cfg'
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-5.4.0-231-generic
Found initrd image: /boot/initrd.img-5.4.0-231-generic
Found linux image: /boot/vmlinuz-5.4.0-230-generic
Found initrd image: /boot/initrd.img-5.4.0-230-generic
Found linux image: /boot/vmlinuz-5.4.0-216-generic
Found initrd image: /boot/initrd.img-5.4.0-216-generic
donereboot 重启即可