Fedora 33: kernel 2021-05152dbcf5
Summary
The kernel meta package
The 5.11.20 stable kernel update contains a number of important fixes across the
tree.
* Wed May 12 2021 Justin M. Forbes
- io_uring: truncate lengths larger than MAX_RW_COUNT on provide buffers (Thadeu Lima de Souza Cascardo)
- bpf: Prevent writable memory-mapping of read-only ringbuf pages (Andrii Nakryiko)
- bpf, ringbuf: Deny reserve of buffers larger than ringbuf (Thadeu Lima de Souza Cascardo)
- bpf: Fix alu32 const subreg bound tracking on bitwise operations (Daniel Borkmann)
- net/nfc: fix use-after-free llcp_sock_bind/connect (Or Cohen)
[ 1 ] Bug #1959514 - CVE-2021-23134 kernel: use-after-free in nfc sockets
https://bugzilla.redhat.com/show_bug.cgi?id=1959514
[ 2 ] Bug #1959556 - CVE-2021-3490 kernel: Linux kernel eBPF bitwise ops ALU32 bounds tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1959556
[ 3 ] Bug #1959559 - CVE-2021-3489 kernel: Linux kernel eBPF RINGBUF map oversized allocation
https://bugzilla.redhat.com/show_bug.cgi?id=1959559
[ 4 ] Bug #1959565 - CVE-2021-3491 kernel: Linux kernel io_uring PROVIDE_BUFFERS MAX_RW_COUNT bypass
https://bugzilla.redhat.com/show_bug.cgi?id=1959565
su -c 'dnf upgrade --advisory FEDORA-2021-05152dbcf5' at the command
line. For more information, refer to the dnf documentation available at
https://dnf.readthedocs.io/en/latest/command_ref.html
All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/security/
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FEDORA-2021-05152dbcf5 2021-05-16 02:06:09.511519 Product : Fedora 33 Version : 5.11.20 Release : 200.fc33 URL : https://www.kernel.org/ Summary : The Linux kernel Description : The kernel meta package The 5.11.20 stable kernel update contains a number of important fixes across the tree. * Wed May 12 2021 Justin M. Forbes [5.11.20-0] - io_uring: truncate lengths larger than MAX_RW_COUNT on provide buffers (Thadeu Lima de Souza Cascardo) - bpf: Prevent writable memory-mapping of read-only ringbuf pages (Andrii Nakryiko) - bpf, ringbuf: Deny reserve of buffers larger than ringbuf (Thadeu Lima de Souza Cascardo) - bpf: Fix alu32 const subreg bound tracking on bitwise operations (Daniel Borkmann) - net/nfc: fix use-after-free llcp_sock_bind/connect (Or Cohen) [ 1 ] Bug #1959514 - CVE-2021-23134 kernel: use-after-free in nfc sockets https://bugzilla.redhat.com/show_bug.cgi?id=1959514 [ 2 ] Bug #1959556 - CVE-2021-3490 kernel: Linux kernel eBPF bitwise ops ALU32 bounds tracking https://bugzilla.redhat.com/show_bug.cgi?id=1959556 [ 3 ] Bug #1959559 - CVE-2021-3489 kernel: Linux kernel eBPF RINGBUF map oversized allocation https://bugzilla.redhat.com/show_bug.cgi?id=1959559 [ 4 ] Bug #1959565 - CVE-2021-3491 kernel: Linux kernel io_uring PROVIDE_BUFFERS MAX_RW_COUNT bypass https://bugzilla.redhat.com/show_bug.cgi?id=1959565 su -c 'dnf upgrade --advisory FEDORA-2021-05152dbcf5' at the command line. For more information, refer to the dnf documentation available at https://dnf.readthedocs.io/en/latest/command_ref.html All packages are signed with the Fedora Project GPG key. More details on the GPG keys used by the Fedora Project can be found at https://fedoraproject.org/security/ package-announce mailing list -- package-announce@lists.fedoraproject.org To unsubscribe send an email to package-announce-leave@lists.fedoraproject.org Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/ Do not reply to spam on the list, report it: https://pagure.io/fedora-infrastructure
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References