Candidate: CVE-2020-29370
PublicDate: 2020-11-28 07:15:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-29370
 https://git.kernel.org/linus/fd4d9c7d0c71866ec0c2825189ebd2ce35bd95b8
 https://bugs.chromium.org/p/project-zero/issues/detail?id=2022
 https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.5.11
 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fd4d9c7d0c71866ec0c2825189ebd2ce35bd95b8
Description:
 An issue was discovered in kmem_cache_alloc_bulk in mm/slub.c in the Linux
 kernel before 5.5.11. The slowpath lacks the required TID increment, aka
 CID-fd4d9c7d0c71.
Ubuntu-Description:
Notes:
Mitigation:
Bugs:
Priority: medium
Discovered-by:
Assigned-to:
CVSS:
 nvd: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H [7.0 HIGH]

Patches_linux:
 break-fix: ebe909e0fdb34b980c5cf636c495e4f0bb0dfda8 fd4d9c7d0c71866ec0c2825189ebd2ce35bd95b8
 break-fix: fd4d9c7d0c71866ec0c2825189ebd2ce35bd95b8 5076190daded2197f62fe92cf69674488be44175
upstream_linux: released (5.6~rc7)
precise/esm_linux: ignored (was needs-triage ESM criteria)
trusty_linux: ignored (out of standard support)
trusty/esm_linux: ignored (was needs-triage ESM criteria)
xenial_linux: released (4.4.0-179.209)
esm-infra/xenial_linux: released (4.4.0-179.209)
bionic_linux: released (4.15.0-99.100)
focal_linux: not-affected (5.4.0-24.28)
groovy_linux: not-affected (5.4.0-26.30)
devel_linux: not-affected (5.8.0-31.33+21.04.1)

Patches_linux-hwe:
upstream_linux-hwe: released (5.6~rc7)
precise/esm_linux-hwe: DNE
trusty_linux-hwe: DNE
trusty/esm_linux-hwe: DNE
xenial_linux-hwe: released (4.15.0-99.100~16.04.1)
esm-infra/xenial_linux-hwe: released (4.15.0-99.100~16.04.1)
bionic_linux-hwe: ignored (replaced by linux-hwe-5.4)
focal_linux-hwe: DNE
groovy_linux-hwe: DNE
devel_linux-hwe: DNE

Patches_linux-hwe-5.4:
upstream_linux-hwe-5.4: released (5.6~rc7)
precise/esm_linux-hwe-5.4: DNE
trusty_linux-hwe-5.4: DNE
trusty/esm_linux-hwe-5.4: DNE
xenial_linux-hwe-5.4: DNE
bionic_linux-hwe-5.4: not-affected (5.4.0-37.41~18.04.1)
focal_linux-hwe-5.4: DNE
groovy_linux-hwe-5.4: DNE
devel_linux-hwe-5.4: DNE

Patches_linux-hwe-edge:
upstream_linux-hwe-edge: released (5.6~rc7)
precise/esm_linux-hwe-edge: DNE
trusty_linux-hwe-edge: DNE
trusty/esm_linux-hwe-edge: DNE
xenial_linux-hwe-edge: ignored (superseded by linux-hwe)
esm-infra/xenial_linux-hwe-edge: ignored (superseded by linux-hwe)
bionic_linux-hwe-edge: ignored (superseded by linux-hwe-5.4)
focal_linux-hwe-edge: DNE
groovy_linux-hwe-edge: DNE
devel_linux-hwe-edge: DNE

Patches_linux-lts-trusty:
upstream_linux-lts-trusty: released (5.6~rc7)
precise/esm_linux-lts-trusty: ignored (was needs-triage ESM criteria)
trusty_linux-lts-trusty: DNE
trusty/esm_linux-lts-trusty: DNE
xenial_linux-lts-trusty: DNE
bionic_linux-lts-trusty: DNE
focal_linux-lts-trusty: DNE
groovy_linux-lts-trusty: DNE
devel_linux-lts-trusty: DNE

Patches_linux-lts-xenial:
upstream_linux-lts-xenial: released (5.6~rc7)
precise/esm_linux-lts-xenial: DNE
trusty_linux-lts-xenial: ignored (out of standard support)
trusty/esm_linux-lts-xenial: ignored (was needs-triage ESM criteria)
xenial_linux-lts-xenial: DNE
bionic_linux-lts-xenial: DNE
focal_linux-lts-xenial: DNE
groovy_linux-lts-xenial: DNE
devel_linux-lts-xenial: DNE

Patches_linux-kvm:
upstream_linux-kvm: released (5.6~rc7)
precise/esm_linux-kvm: DNE
trusty_linux-kvm: DNE
trusty/esm_linux-kvm: DNE
xenial_linux-kvm: released (4.4.0-1071.78)
esm-infra/xenial_linux-kvm: released (4.4.0-1071.78)
bionic_linux-kvm: released (4.15.0-1059.60)
focal_linux-kvm: not-affected (5.4.0-1007.7)
groovy_linux-kvm: not-affected (5.4.0-1009.9)
devel_linux-kvm: not-affected (5.8.0-1010.11+21.04.1)

Patches_linux-aws:
upstream_linux-aws: released (5.6~rc7)
precise/esm_linux-aws: DNE
trusty_linux-aws: ignored (out of standard support)
trusty/esm_linux-aws: ignored (was needs-triage ESM criteria)
xenial_linux-aws: released (4.4.0-1107.118)
esm-infra/xenial_linux-aws: released (4.4.0-1107.118)
bionic_linux-aws: released (4.15.0-1066.70)
focal_linux-aws: not-affected (5.4.0-1008.8)
groovy_linux-aws: not-affected (5.4.0-1009.9)
devel_linux-aws: not-affected (5.8.0-1014.15+21.04.1)

Patches_linux-aws-5.0:
upstream_linux-aws-5.0: released (5.6~rc7)
precise/esm_linux-aws-5.0: DNE
trusty_linux-aws-5.0: DNE
trusty/esm_linux-aws-5.0: DNE
xenial_linux-aws-5.0: DNE
bionic_linux-aws-5.0: ignored (superseded by linux-aws-5.3)
focal_linux-aws-5.0: DNE
groovy_linux-aws-5.0: DNE
devel_linux-aws-5.0: DNE

Patches_linux-aws-5.3:
upstream_linux-aws-5.3: released (5.6~rc7)
precise/esm_linux-aws-5.3: DNE
trusty_linux-aws-5.3: DNE
trusty/esm_linux-aws-5.3: DNE
xenial_linux-aws-5.3: DNE
bionic_linux-aws-5.3: ignored (superseded by linux-aws-5.4)
focal_linux-aws-5.3: DNE
groovy_linux-aws-5.3: DNE
devel_linux-aws-5.3: DNE

Patches_linux-aws-5.4:
upstream_linux-aws-5.4: released (5.6~rc7)
precise/esm_linux-aws-5.4: DNE
trusty_linux-aws-5.4: DNE
trusty/esm_linux-aws-5.4: DNE
xenial_linux-aws-5.4: DNE
bionic_linux-aws-5.4: not-affected (5.4.0-1018.18~18.04.1)
focal_linux-aws-5.4: DNE
groovy_linux-aws-5.4: DNE
devel_linux-aws-5.4: DNE

Patches_linux-aws-hwe:
upstream_linux-aws-hwe: released (5.6~rc7)
precise/esm_linux-aws-hwe: DNE
trusty_linux-aws-hwe: DNE
trusty/esm_linux-aws-hwe: DNE
xenial_linux-aws-hwe: released (4.15.0-1066.70~16.04.1)
esm-infra/xenial_linux-aws-hwe: released (4.15.0-1066.70~16.04.1)
bionic_linux-aws-hwe: DNE
focal_linux-aws-hwe: DNE
groovy_linux-aws-hwe: DNE
devel_linux-aws-hwe: DNE

Patches_linux-azure:
upstream_linux-azure: released (5.6~rc7)
precise/esm_linux-azure: DNE
trusty_linux-azure: ignored (out of standard support)
trusty/esm_linux-azure: ignored (was needs-triage ESM criteria)
xenial_linux-azure: released (4.15.0-1082.92~16.04.1)
esm-infra/xenial_linux-azure: released (4.15.0-1082.92~16.04.1)
bionic_linux-azure: ignored (superseded by linux-azure-5.3)
focal_linux-azure: not-affected (5.4.0-1009.9)
groovy_linux-azure: not-affected (5.4.0-1010.10)
devel_linux-azure: not-affected (5.8.0-1013.14+21.04.1)

Patches_linux-azure-4.15:
upstream_linux-azure-4.15: released (5.6~rc7)
precise/esm_linux-azure-4.15: DNE
trusty_linux-azure-4.15: DNE
trusty/esm_linux-azure-4.15: DNE
xenial_linux-azure-4.15: DNE
bionic_linux-azure-4.15: not-affected (4.15.0-1082.92)
focal_linux-azure-4.15: DNE
groovy_linux-azure-4.15: DNE
devel_linux-azure-4.15: DNE

Patches_linux-azure-5.3:
upstream_linux-azure-5.3: released (5.6~rc7)
precise/esm_linux-azure-5.3: DNE
trusty_linux-azure-5.3: DNE
trusty/esm_linux-azure-5.3: DNE
xenial_linux-azure-5.3: DNE
bionic_linux-azure-5.3: ignored (superseded by linux-azure-5.4)
focal_linux-azure-5.3: DNE
groovy_linux-azure-5.3: DNE
devel_linux-azure-5.3: DNE

Patches_linux-azure-5.4:
upstream_linux-azure-5.4: released (5.6~rc7)
precise/esm_linux-azure-5.4: DNE
trusty_linux-azure-5.4: DNE
trusty/esm_linux-azure-5.4: DNE
xenial_linux-azure-5.4: DNE
bionic_linux-azure-5.4: not-affected (5.4.0-1020.20~18.04.1)
focal_linux-azure-5.4: DNE
groovy_linux-azure-5.4: DNE
devel_linux-azure-5.4: DNE

Patches_linux-azure-edge:
upstream_linux-azure-edge: released (5.6~rc7)
precise/esm_linux-azure-edge: DNE
trusty_linux-azure-edge: DNE
trusty/esm_linux-azure-edge: DNE
xenial_linux-azure-edge: DNE
bionic_linux-azure-edge: ignored (superseded by linux-azure-5.3)
focal_linux-azure-edge: DNE
groovy_linux-azure-edge: DNE
devel_linux-azure-edge: DNE

Patches_linux-gcp:
upstream_linux-gcp: released (5.6~rc7)
precise/esm_linux-gcp: DNE
trusty_linux-gcp: DNE
trusty/esm_linux-gcp: DNE
xenial_linux-gcp: released (4.15.0-1061.65)
esm-infra/xenial_linux-gcp: released (4.15.0-1061.65)
bionic_linux-gcp: ignored (superseded by linux-gcp-5.3)
focal_linux-gcp: not-affected (5.4.0-1008.8)
groovy_linux-gcp: not-affected (5.4.0-1009.9)
devel_linux-gcp: not-affected (5.8.0-1012.12+21.04.1)

Patches_linux-gcp-4.15:
upstream_linux-gcp-4.15: released (5.6~rc7)
precise/esm_linux-gcp-4.15: DNE
trusty_linux-gcp-4.15: DNE
trusty/esm_linux-gcp-4.15: DNE
xenial_linux-gcp-4.15: DNE
bionic_linux-gcp-4.15: not-affected (4.15.0-1071.81)
focal_linux-gcp-4.15: DNE
groovy_linux-gcp-4.15: DNE
devel_linux-gcp-4.15: DNE

Patches_linux-gcp-5.3:
upstream_linux-gcp-5.3: released (5.6~rc7)
precise/esm_linux-gcp-5.3: DNE
trusty_linux-gcp-5.3: DNE
trusty/esm_linux-gcp-5.3: DNE
xenial_linux-gcp-5.3: DNE
bionic_linux-gcp-5.3: ignored (superseded by linux-gcp-5.4)
focal_linux-gcp-5.3: DNE
groovy_linux-gcp-5.3: DNE
devel_linux-gcp-5.3: DNE

Patches_linux-gcp-5.4:
upstream_linux-gcp-5.4: released (5.6~rc7)
precise/esm_linux-gcp-5.4: DNE
trusty_linux-gcp-5.4: DNE
trusty/esm_linux-gcp-5.4: DNE
xenial_linux-gcp-5.4: DNE
bionic_linux-gcp-5.4: not-affected (5.4.0-1019.19~18.04.2)
focal_linux-gcp-5.4: DNE
groovy_linux-gcp-5.4: DNE
devel_linux-gcp-5.4: DNE

Patches_linux-gcp-edge:
upstream_linux-gcp-edge: released (5.6~rc7)
precise/esm_linux-gcp-edge: DNE
trusty_linux-gcp-edge: DNE
trusty/esm_linux-gcp-edge: DNE
xenial_linux-gcp-edge: DNE
bionic_linux-gcp-edge: ignored (superseded by linux-gcp-5.3)
focal_linux-gcp-edge: DNE
groovy_linux-gcp-edge: DNE
devel_linux-gcp-edge: DNE

Patches_linux-gke-4.15:
upstream_linux-gke-4.15: released (5.6~rc7)
precise/esm_linux-gke-4.15: DNE
trusty_linux-gke-4.15: DNE
trusty/esm_linux-gke-4.15: DNE
xenial_linux-gke-4.15: DNE
bionic_linux-gke-4.15: released (4.15.0-1058.61)
focal_linux-gke-4.15: DNE
groovy_linux-gke-4.15: DNE
devel_linux-gke-4.15: DNE

Patches_linux-gke-5.0:
upstream_linux-gke-5.0: released (5.6~rc7)
precise/esm_linux-gke-5.0: DNE
trusty_linux-gke-5.0: DNE
trusty/esm_linux-gke-5.0: DNE
xenial_linux-gke-5.0: DNE
bionic_linux-gke-5.0: released (5.0.0-1037.38)
focal_linux-gke-5.0: DNE
groovy_linux-gke-5.0: DNE
devel_linux-gke-5.0: DNE

Patches_linux-gke-5.3:
upstream_linux-gke-5.3: released (5.6~rc7)
precise/esm_linux-gke-5.3: DNE
trusty_linux-gke-5.3: DNE
trusty/esm_linux-gke-5.3: DNE
xenial_linux-gke-5.3: DNE
bionic_linux-gke-5.3: released (5.3.0-1020.22~18.04.1)
focal_linux-gke-5.3: DNE
groovy_linux-gke-5.3: DNE
devel_linux-gke-5.3: DNE

Patches_linux-oracle:
upstream_linux-oracle: released (5.6~rc7)
precise/esm_linux-oracle: DNE
trusty_linux-oracle: DNE
trusty/esm_linux-oracle: DNE
xenial_linux-oracle: released (4.15.0-1038.42~16.04.1)
esm-infra/xenial_linux-oracle: released (4.15.0-1038.42~16.04.1)
bionic_linux-oracle: released (4.15.0-1038.42)
focal_linux-oracle: not-affected (5.4.0-1008.8)
groovy_linux-oracle: not-affected (5.4.0-1009.9)
devel_linux-oracle: not-affected (5.8.0-1011.11+21.04.1)

Patches_linux-oracle-5.0:
upstream_linux-oracle-5.0: released (5.6~rc7)
precise/esm_linux-oracle-5.0: DNE
trusty_linux-oracle-5.0: DNE
trusty/esm_linux-oracle-5.0: DNE
xenial_linux-oracle-5.0: DNE
bionic_linux-oracle-5.0: ignored (superseded by linux-oracle-5.3)
focal_linux-oracle-5.0: DNE
groovy_linux-oracle-5.0: DNE
devel_linux-oracle-5.0: DNE

Patches_linux-oracle-5.3:
upstream_linux-oracle-5.3: released (5.6~rc7)
precise/esm_linux-oracle-5.3: DNE
trusty_linux-oracle-5.3: DNE
trusty/esm_linux-oracle-5.3: DNE
xenial_linux-oracle-5.3: DNE
bionic_linux-oracle-5.3: ignored (superseded by linux-oracle-5.4)
focal_linux-oracle-5.3: DNE
groovy_linux-oracle-5.3: DNE
devel_linux-oracle-5.3: DNE

Patches_linux-oracle-5.4:
upstream_linux-oracle-5.4: released (5.6~rc7)
precise/esm_linux-oracle-5.4: DNE
trusty_linux-oracle-5.4: DNE
trusty/esm_linux-oracle-5.4: DNE
xenial_linux-oracle-5.4: DNE
bionic_linux-oracle-5.4: not-affected (5.4.0-1019.19~18.04.1)
focal_linux-oracle-5.4: DNE
groovy_linux-oracle-5.4: DNE
devel_linux-oracle-5.4: DNE

Patches_linux-oem:
upstream_linux-oem: released (5.6~rc7)
precise/esm_linux-oem: DNE
trusty_linux-oem: DNE
trusty/esm_linux-oem: DNE
xenial_linux-oem: ignored (superseded by linux-hwe)
bionic_linux-oem: released (4.15.0-1080.90)
focal_linux-oem: DNE
groovy_linux-oem: DNE
devel_linux-oem: DNE

Patches_linux-oem-5.6:
upstream_linux-oem-5.6: released (5.6~rc7)
precise/esm_linux-oem-5.6: DNE
trusty_linux-oem-5.6: DNE
trusty/esm_linux-oem-5.6: DNE
xenial_linux-oem-5.6: DNE
bionic_linux-oem-5.6: DNE
focal_linux-oem-5.6: not-affected (5.6.0-1007.7)
groovy_linux-oem-5.6: DNE
devel_linux-oem-5.6: DNE

Patches_linux-oem-osp1:
upstream_linux-oem-osp1: released (5.6~rc7)
precise/esm_linux-oem-osp1: DNE
trusty_linux-oem-osp1: DNE
trusty/esm_linux-oem-osp1: DNE
xenial_linux-oem-osp1: DNE
bionic_linux-oem-osp1: ignored (was needs-triage now end-of-life)
focal_linux-oem-osp1: DNE
groovy_linux-oem-osp1: DNE
devel_linux-oem-osp1: DNE

Patches_linux-raspi:
upstream_linux-raspi: released (5.6~rc7)
precise/esm_linux-raspi: DNE
trusty_linux-raspi: DNE
trusty/esm_linux-raspi: DNE
xenial_linux-raspi: DNE
bionic_linux-raspi: DNE
focal_linux-raspi: not-affected (5.4.0-1008.8)
groovy_linux-raspi: not-affected (5.4.0-1008.8)
devel_linux-raspi: not-affected (5.8.0-1008.11+21.04.1)

Patches_linux-raspi2:
upstream_linux-raspi2: released (5.6~rc7)
precise/esm_linux-raspi2: DNE
trusty_linux-raspi2: DNE
trusty/esm_linux-raspi2: DNE
xenial_linux-raspi2: released (4.4.0-1133.142)
bionic_linux-raspi2: released (4.15.0-1061.65)
focal_linux-raspi2: ignored (replaced by linux-raspi)
groovy_linux-raspi2: DNE
devel_linux-raspi2: DNE

Patches_linux-raspi2-5.3:
upstream_linux-raspi2-5.3: released (5.6~rc7)
precise/esm_linux-raspi2-5.3: DNE
trusty_linux-raspi2-5.3: DNE
trusty/esm_linux-raspi2-5.3: DNE
xenial_linux-raspi2-5.3: DNE
bionic_linux-raspi2-5.3: released (5.3.0-1026.28~18.04.1)
focal_linux-raspi2-5.3: DNE
groovy_linux-raspi2-5.3: DNE
devel_linux-raspi2-5.3: DNE

Patches_linux-raspi-5.4:
upstream_linux-raspi-5.4: released (5.6~rc7)
precise/esm_linux-raspi-5.4: DNE
trusty_linux-raspi-5.4: DNE
trusty/esm_linux-raspi-5.4: DNE
xenial_linux-raspi-5.4: DNE
bionic_linux-raspi-5.4: not-affected (5.4.0-1013.13~18.04.1)
focal_linux-raspi-5.4: DNE
groovy_linux-raspi-5.4: DNE
devel_linux-raspi-5.4: DNE

Patches_linux-riscv:
upstream_linux-riscv: released (5.6~rc7)
precise/esm_linux-riscv: DNE
trusty_linux-riscv: DNE
trusty/esm_linux-riscv: DNE
xenial_linux-riscv: DNE
bionic_linux-riscv: DNE
focal_linux-riscv: not-affected (5.4.0-24.28)
groovy_linux-riscv: not-affected (5.4.0-24.28)
devel_linux-riscv: not-affected (5.8.0-10.12+21.04.1)

Patches_linux-snapdragon:
upstream_linux-snapdragon: released (5.6~rc7)
precise/esm_linux-snapdragon: DNE
trusty_linux-snapdragon: DNE
trusty/esm_linux-snapdragon: DNE
xenial_linux-snapdragon: released (4.4.0-1137.145)
bionic_linux-snapdragon: released (4.15.0-1077.84)
focal_linux-snapdragon: DNE
groovy_linux-snapdragon: DNE
devel_linux-snapdragon: DNE