Ubuntu: (Multiple Advisories) (CVE-2024-26640): Linux kernel (OEM) vulnerabilities
Description
In the Linux kernel, the following vulnerability has been resolved: tcp: add sanity checks to rx zerocopy TCP rx zerocopy intent is to map pages initially allocated from NIC drivers, not pages owned by a fs. This patch adds to can_map_frag() these additional checks: - Page must not be a compound one. - page->mapping must be NULL. This fixes the panic reported by ZhangPeng. syzbot was able to loopback packets built with sendfile(), mapping pages owned by an ext4 file to TCP rx zerocopy. r3 = socket$inet_tcp(0x2, 0x1, 0x0) mmap(&(0x7f0000ff9000/0x4000)=nil, 0x4000, 0x0, 0x12, r3, 0x0) r4 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r4, &(0x7f0000000000)={0x2, 0x4e24, @multicast1}, 0x10) connect$inet(r4, &(0x7f00000006c0)={0x2, 0x4e24, @empty}, 0x10) r5 = openat$dir(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x181e42, 0x0) fallocate(r5, 0x0, 0x0, 0x85b8) sendfile(r4, r5, 0x0, 0x8ba0) getsockopt$inet_tcp_TCP_ZEROCOPY_RECEIVE(r4, 0x6, 0x23, &(0x7f00000001c0)={&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, &(0x7f0000000440)=0x40) r6 = openat$dir(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x181e42, 0x0)
Solution(s)
- ubuntu-upgrade-linux-image-5-15-0-1044-gkeop
- ubuntu-upgrade-linux-image-5-15-0-1054-ibm
- ubuntu-upgrade-linux-image-5-15-0-1054-nvidia
- ubuntu-upgrade-linux-image-5-15-0-1054-nvidia-lowlatency
- ubuntu-upgrade-linux-image-5-15-0-1054-raspi
- ubuntu-upgrade-linux-image-5-15-0-1057-intel-iotg
- ubuntu-upgrade-linux-image-5-15-0-1058-gke
- ubuntu-upgrade-linux-image-5-15-0-1058-intel-iotg
- ubuntu-upgrade-linux-image-5-15-0-1058-kvm
- ubuntu-upgrade-linux-image-5-15-0-1059-gcp
- ubuntu-upgrade-linux-image-5-15-0-1059-oracle
- ubuntu-upgrade-linux-image-5-15-0-106-generic
- ubuntu-upgrade-linux-image-5-15-0-106-generic-64k
- ubuntu-upgrade-linux-image-5-15-0-106-generic-lpae
- ubuntu-upgrade-linux-image-5-15-0-106-lowlatency
- ubuntu-upgrade-linux-image-5-15-0-106-lowlatency-64k
- ubuntu-upgrade-linux-image-5-15-0-1061-aws
- ubuntu-upgrade-linux-image-5-15-0-1063-azure
- ubuntu-upgrade-linux-image-5-15-0-1063-azure-fde
- ubuntu-upgrade-linux-image-6-5-0-1015-starfive
- ubuntu-upgrade-linux-image-6-5-0-1017-laptop
- ubuntu-upgrade-linux-image-6-5-0-1018-raspi
- ubuntu-upgrade-linux-image-6-5-0-1021-aws
- ubuntu-upgrade-linux-image-6-5-0-1021-nvidia
- ubuntu-upgrade-linux-image-6-5-0-1021-nvidia-64k
- ubuntu-upgrade-linux-image-6-5-0-1022-azure
- ubuntu-upgrade-linux-image-6-5-0-1022-azure-fde
- ubuntu-upgrade-linux-image-6-5-0-1022-gcp
- ubuntu-upgrade-linux-image-6-5-0-1022-oem
- ubuntu-upgrade-linux-image-6-5-0-1024-oem
- ubuntu-upgrade-linux-image-6-5-0-1024-oracle
- ubuntu-upgrade-linux-image-6-5-0-1024-oracle-64k
- ubuntu-upgrade-linux-image-6-5-0-41-generic
- ubuntu-upgrade-linux-image-6-5-0-41-generic-64k
- ubuntu-upgrade-linux-image-6-5-0-41-lowlatency
- ubuntu-upgrade-linux-image-6-5-0-41-lowlatency-64k
- ubuntu-upgrade-linux-image-aws
- ubuntu-upgrade-linux-image-aws-lts-22-04
- ubuntu-upgrade-linux-image-azure
- ubuntu-upgrade-linux-image-azure-cvm
- ubuntu-upgrade-linux-image-azure-fde
- ubuntu-upgrade-linux-image-azure-fde-lts-22-04
- ubuntu-upgrade-linux-image-azure-lts-22-04
- ubuntu-upgrade-linux-image-gcp
- ubuntu-upgrade-linux-image-gcp-lts-22-04
- ubuntu-upgrade-linux-image-generic
- ubuntu-upgrade-linux-image-generic-64k
- ubuntu-upgrade-linux-image-generic-64k-hwe-20-04
- ubuntu-upgrade-linux-image-generic-64k-hwe-22-04
- ubuntu-upgrade-linux-image-generic-hwe-20-04
- ubuntu-upgrade-linux-image-generic-hwe-22-04
- ubuntu-upgrade-linux-image-generic-lpae
- ubuntu-upgrade-linux-image-generic-lpae-hwe-20-04
- ubuntu-upgrade-linux-image-gke
- ubuntu-upgrade-linux-image-gke-5-15
- ubuntu-upgrade-linux-image-gkeop
- ubuntu-upgrade-linux-image-gkeop-5-15
- ubuntu-upgrade-linux-image-ibm
- ubuntu-upgrade-linux-image-intel
- ubuntu-upgrade-linux-image-intel-iotg
- ubuntu-upgrade-linux-image-kvm
- ubuntu-upgrade-linux-image-laptop-23-10
- ubuntu-upgrade-linux-image-lowlatency
- ubuntu-upgrade-linux-image-lowlatency-64k
- ubuntu-upgrade-linux-image-lowlatency-64k-hwe-20-04
- ubuntu-upgrade-linux-image-lowlatency-64k-hwe-22-04
- ubuntu-upgrade-linux-image-lowlatency-hwe-20-04
- ubuntu-upgrade-linux-image-lowlatency-hwe-22-04
- ubuntu-upgrade-linux-image-nvidia
- ubuntu-upgrade-linux-image-nvidia-6-5
- ubuntu-upgrade-linux-image-nvidia-64k-6-5
- ubuntu-upgrade-linux-image-nvidia-64k-hwe-22-04
- ubuntu-upgrade-linux-image-nvidia-hwe-22-04
- ubuntu-upgrade-linux-image-nvidia-lowlatency
- ubuntu-upgrade-linux-image-oem-20-04
- ubuntu-upgrade-linux-image-oem-20-04b
- ubuntu-upgrade-linux-image-oem-20-04c
- ubuntu-upgrade-linux-image-oem-20-04d
- ubuntu-upgrade-linux-image-oem-22-04
- ubuntu-upgrade-linux-image-oem-22-04a
- ubuntu-upgrade-linux-image-oem-22-04b
- ubuntu-upgrade-linux-image-oem-22-04c
- ubuntu-upgrade-linux-image-oem-22-04d
- ubuntu-upgrade-linux-image-oracle
- ubuntu-upgrade-linux-image-oracle-64k
- ubuntu-upgrade-linux-image-oracle-lts-22-04
- ubuntu-upgrade-linux-image-raspi
- ubuntu-upgrade-linux-image-raspi-nolpae
- ubuntu-upgrade-linux-image-starfive
- ubuntu-upgrade-linux-image-virtual
- ubuntu-upgrade-linux-image-virtual-hwe-20-04
- ubuntu-upgrade-linux-image-virtual-hwe-22-04
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