This bug was fixed in the package linux-oracle - 5.8.0-1029.30 --------------- linux-oracle (5.8.0-1029.30) groovy; urgency=medium
[ Ubuntu: 5.8.0-53.60 ] * CVE-2021-3491 - io_uring: fix provide_buffers sign extension - io_uring: fix overflows checks in provide buffers - SAUCE: proc: Avoid mixing integer types in mem_rw() - SAUCE: io_uring: truncate lengths larger than MAX_RW_COUNT on provide buffers * CVE-2021-3490 - bpf: Fix a verifier failure with xor - SAUCE: bpf: verifier: fix ALU32 bounds tracking with bitwise ops * CVE-2021-3489 - SAUCE: bpf: ringbuf: deny reserve of buffers larger than ringbuf - SAUCE: bpf: prevent writable memory-mapping of read-only ringbuf pages -- Stefan Bader <stefan.ba...@canonical.com> Thu, 06 May 2021 11:26:55 +0200 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-gcp in Ubuntu. https://bugs.launchpad.net/bugs/1908264 Title: Disable Atari partition support for cloud kernels Status in linux-aws package in Ubuntu: In Progress Status in linux-azure package in Ubuntu: Fix Released Status in linux-azure-4.15 package in Ubuntu: Invalid Status in linux-gcp package in Ubuntu: New Status in linux-gke package in Ubuntu: New Status in linux-gkeop package in Ubuntu: New Status in linux-oracle package in Ubuntu: New Status in linux-aws source package in Xenial: Fix Committed Status in linux-azure source package in Xenial: Fix Released Status in linux-azure-4.15 source package in Xenial: Invalid Status in linux-aws source package in Bionic: Fix Released Status in linux-azure source package in Bionic: Invalid Status in linux-azure-4.15 source package in Bionic: Fix Released Status in linux-gcp source package in Bionic: Fix Committed Status in linux-oracle source package in Bionic: Fix Released Status in linux-aws source package in Focal: Fix Released Status in linux-azure source package in Focal: Fix Released Status in linux-azure-4.15 source package in Focal: Invalid Status in linux-gcp source package in Focal: Fix Released Status in linux-gke source package in Focal: Fix Released Status in linux-gkeop source package in Focal: Fix Released Status in linux-oracle source package in Focal: Fix Released Status in linux-aws source package in Groovy: Fix Committed Status in linux-azure source package in Groovy: Fix Released Status in linux-azure-4.15 source package in Groovy: Invalid Status in linux-gcp source package in Groovy: Fix Released Status in linux-oracle source package in Groovy: Fix Released Status in linux-aws source package in Hirsute: In Progress Status in linux-azure source package in Hirsute: Fix Released Status in linux-azure-4.15 source package in Hirsute: Invalid Status in linux-gcp source package in Hirsute: New Status in linux-oracle source package in Hirsute: New Bug description: [Impact] Atari partition tables have very broad specifications, and can spontaneously show up on uncleared disks with "garbage" data. There have been reports of misinterpreted AHDI partition tables before (see [0] and [1]), usually as an unintended side-effect of using non-zeroed disks. Users of this specific partition scheme are unlikely to be on AWS instances, so we should disable them. [0] https://lore.kernel.org/linux-block/1467736712-11825-1-git-send-email-kris...@linux.vnet.ibm.com/ [1] https://mail-index.netbsd.org/port-atari/1995/11/19/0001.html [Test Case] Ensure that CONFIG_ATARI_PARTITION is not set in /boot/config-$(uname -r) [Fix] Unset CONFIG_ATARI_PARTITION in debian.aws/config/config.common.ubuntu [Regression Potential] There could be unexpected dependencies on Atari partitions that are impacted by this change. Considering Atari hardware hasn't been produced in a long time, and is unlikely to be used in AWS instances, the regression potential should be very low. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-aws/+bug/1908264/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp