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Diffstat (limited to 'debian/linux-image-6.10.6-progress7.99-powerpc64le-64k.NEWS')
| -rw-r--r-- | debian/linux-image-6.10.6-progress7.99-powerpc64le-64k.NEWS | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/debian/linux-image-6.10.6-progress7.99-powerpc64le-64k.NEWS b/debian/linux-image-6.10.6-progress7.99-powerpc64le-64k.NEWS new file mode 100644 index 0000000000..788dab7828 --- /dev/null +++ b/debian/linux-image-6.10.6-progress7.99-powerpc64le-64k.NEWS @@ -0,0 +1,108 @@ +linux (6.10-1~exp2) unstable; urgency=medium + + * From Linux 6.10, the default kernel on ppc64 and ppc64el + architectures uses 4k page size. + + After rebooting, you need to re-create all swap files or partitions. + They depend on the page size and will be not longer usable. See + mkswap(8) on how to do that. + + Some file systems might be incompatible with the smaller page size. + At least btrfs created with default settings is known to be affected + and they will not work with this kernel any more. + + A btrfs file system can be checked with file(1) (use file -s). It + will show: + BTRFS Filesystem sectorsize 65536 + If this number is larger then 4096, the file system can not be + mounted with the default kernel anymore. + + If you are affected and require the 64k page size of older kernels, + you can install linux-image-powerpc64-64k or + linux-image-powerpc64el-64k packages. + + -- Bastian Blank <waldi@debian.org> Thu, 11 Jul 2024 11:12:35 +0200 + +linux (5.10.46-4) unstable; urgency=medium + + * From Linux 5.10.46-4, unprivileged calls to bpf() are disabled by + default, mitigating several security issues. However, an admin can + still change this setting later on, if needed, by writing 0 or 1 to + the kernel.unprivileged_bpf_disabled sysctl. + + If you prefer to keep unprivileged calls to bpf() enabled, set the + sysctl: + + kernel.unprivileged_bpf_disabled = 0 + + which is the upstream default. + + -- Salvatore Bonaccorso <carnil@debian.org> Mon, 02 Aug 2021 22:59:24 +0200 + +linux (5.10~rc7-1~exp2) unstable; urgency=medium + + * From Linux 5.10, all users are allowed to create user namespaces by + default. This will allow programs such as web browsers and container + managers to create more restricted sandboxes for untrusted or + less-trusted code, without the need to run as root or to use a + setuid-root helper. + + The previous Debian default was to restrict this feature to processes + running as root, because it exposed more security issues in the + kernel. However, the security benefits of more widespread sandboxing + probably now outweigh this risk. + + If you prefer to keep this feature restricted, set the sysctl: + + kernel.unprivileged_userns_clone = 0 + + -- Ben Hutchings <benh@debian.org> Sun, 13 Dec 2020 17:11:36 +0100 + +linux-latest (86) unstable; urgency=medium + + * From Linux 4.13.10-1, AppArmor is enabled by default. This allows + defining a "profile" for each installed program that can mitigate + security vulnerabilities in it. However, an incorrect profile might + disable some functionality of the program. + + In case you suspect that an AppArmor profile is incorrect, see + <https://lists.debian.org/debian-devel/2017/11/msg00178.html> and + consider reporting a bug in the package providing the profile. The + profile may be part of the program's package or apparmor-profiles. + + -- Ben Hutchings <ben@decadent.org.uk> Thu, 30 Nov 2017 20:08:25 +0000 + +linux-latest (81) unstable; urgency=medium + + * From Linux 4.10, the old 'virtual syscall' interface on 64-bit PCs + (amd64) is disabled. This breaks chroot environments and containers + that use (e)glibc 2.13 and earlier, including those based on Debian 7 + or RHEL/CentOS 6. To re-enable it, set the kernel parameter: + vsyscall=emulate + + -- Ben Hutchings <ben@decadent.org.uk> Fri, 30 Jun 2017 23:50:03 +0100 + +linux-latest (76) unstable; urgency=medium + + * From Linux 4.8, several changes have been made in the kernel + configuration to 'harden' the system, i.e. to mitigate security bugs. + Some changes may cause legitimate applications to fail, and can be + reverted by run-time configuration: + - On most architectures, the /dev/mem device can no longer be used to + access devices that also have a kernel driver. This breaks dosemu + and some old user-space graphics drivers. To allow this, set the + kernel parameter: iomem=relaxed + - The kernel log is no longer readable by unprivileged users. To + allow this, set the sysctl: kernel.dmesg_restrict=0 + + -- Ben Hutchings <ben@decadent.org.uk> Sat, 29 Oct 2016 02:05:32 +0100 + +linux-latest (75) unstable; urgency=medium + + * From Linux 4.7, the iptables connection tracking system will no longer + automatically load helper modules. If your firewall configuration + depends on connection tracking helpers, you should explicitly load the + required modules. For more information, see + <https://home.regit.org/netfilter-en/secure-use-of-helpers/>. + + -- Ben Hutchings <ben@decadent.org.uk> Sat, 29 Oct 2016 01:53:18 +0100 |