vulnerability

Ubuntu: (Multiple Advisories) (CVE-2022-49034): Linux kernel vulnerabilities

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
Dec 27, 2024
Added
Feb 20, 2025
Modified
Oct 9, 2025

Description

In the Linux kernel, the following vulnerability has been resolved:

sh: cpuinfo: Fix a warning for CONFIG_CPUMASK_OFFSTACK

When CONFIG_CPUMASK_OFFSTACK and CONFIG_DEBUG_PER_CPU_MAPS are selected,
cpu_max_bits_warn() generates a runtime warning similar as below when
showing /proc/cpuinfo. Fix this by using nr_cpu_ids (the runtime limit)
instead of NR_CPUS to iterate CPUs.

[ 3.052463] ------------[ cut here ]------------
[ 3.059679] WARNING: CPU: 3 PID: 1 at include/linux/cpumask.h:108 show_cpuinfo+0x5e8/0x5f0
[ 3.070072] Modules linked in: efivarfs autofs4
[ 3.076257] CPU: 0 PID: 1 Comm: systemd Not tainted 5.19-rc5+ #1052
[ 3.099465] Stack : 9000000100157b08 9000000000f18530 9000000000cf846c 9000000100154000
[ 3.109127] 9000000100157a50 0000000000000000 9000000100157a58 9000000000ef7430
[ 3.118774] 90000001001578e8 0000000000000040 0000000000000020 ffffffffffffffff
[ 3.128412] 0000000000aaaaaa 1ab25f00eec96a37 900000010021de80 900000000101c890
[ 3.138056] 0000000000000000 0000000000000000 0000000000000000 0000000000aaaaaa
[ 3.147711] ffff8000339dc220 0000000000000001 0000000006ab4000 0000000000000000
[ 3.157364] 900000000101c998 0000000000000004 9000000000ef7430 0000000000000000
[ 3.167012] 0000000000000009 000000000000006c 0000000000000000 0000000000000000
[ 3.176641] 9000000000d3de08 9000000001639390 90000000002086d8 00007ffff0080286
[ 3.186260] 00000000000000b0 0000000000000004 0000000000000000 0000000000071c1c
[ 3.195868] ...
[ 3.199917] Call Trace:
[ 3.203941] [<90000000002086d8>] show_stack+0x38/0x14c
[ 3.210666] [<9000000000cf846c>] dump_stack_lvl+0x60/0x88
[ 3.217625] [<900000000023d268>] __warn+0xd0/0x100
[ 3.223958] [<9000000000cf3c90>] warn_slowpath_fmt+0x7c/0xcc
[ 3.231150] [<9000000000210220>] show_cpuinfo+0x5e8/0x5f0
[ 3.238080] [<90000000004f578c>] seq_read_iter+0x354/0x4b4
[ 3.245098] [<90000000004c2e90>] new_sync_read+0x17c/0x1c4
[ 3.252114] [<90000000004c5174>] vfs_read+0x138/0x1d0
[ 3.258694] [<90000000004c55f8>] ksys_read+0x70/0x100
[ 3.265265] [<9000000000cfde9c>] do_syscall+0x7c/0x94
[ 3.271820] [<9000000000202fe4>] handle_syscall+0xc4/0x160
[ 3.281824] ---[ end trace 8b484262b4b8c24c ]---

Solutions

ubuntu-upgrade-linux-image-5-15-0-1021-nvidia-tegra-igxubuntu-upgrade-linux-image-5-15-0-1021-nvidia-tegra-igx-rtubuntu-upgrade-linux-image-5-15-0-1033-nvidia-tegraubuntu-upgrade-linux-image-5-15-0-1033-nvidia-tegra-rtubuntu-upgrade-linux-image-5-15-0-1044-xilinx-zynqmpubuntu-upgrade-linux-image-5-15-0-1062-gkeopubuntu-upgrade-linux-image-5-15-0-1072-ibmubuntu-upgrade-linux-image-5-15-0-1073-intel-iot-realtimeubuntu-upgrade-linux-image-5-15-0-1074-ibmubuntu-upgrade-linux-image-5-15-0-1074-nvidiaubuntu-upgrade-linux-image-5-15-0-1074-nvidia-lowlatencyubuntu-upgrade-linux-image-5-15-0-1074-raspiubuntu-upgrade-linux-image-5-15-0-1075-intel-iotgubuntu-upgrade-linux-image-5-15-0-1076-kvmubuntu-upgrade-linux-image-5-15-0-1077-gkeubuntu-upgrade-linux-image-5-15-0-1077-intel-iotgubuntu-upgrade-linux-image-5-15-0-1077-oracleubuntu-upgrade-linux-image-5-15-0-1079-gcpubuntu-upgrade-linux-image-5-15-0-1079-gcp-fipsubuntu-upgrade-linux-image-5-15-0-1080-awsubuntu-upgrade-linux-image-5-15-0-1080-aws-fipsubuntu-upgrade-linux-image-5-15-0-1080-realtimeubuntu-upgrade-linux-image-5-15-0-1081-gcpubuntu-upgrade-linux-image-5-15-0-1083-azure-fipsubuntu-upgrade-linux-image-5-15-0-1084-azureubuntu-upgrade-linux-image-5-15-0-1086-azureubuntu-upgrade-linux-image-5-15-0-1086-azure-fdeubuntu-upgrade-linux-image-5-15-0-135-fipsubuntu-upgrade-linux-image-5-15-0-135-genericubuntu-upgrade-linux-image-5-15-0-135-generic-64kubuntu-upgrade-linux-image-5-15-0-135-generic-lpaeubuntu-upgrade-linux-image-5-15-0-135-lowlatencyubuntu-upgrade-linux-image-5-15-0-135-lowlatency-64kubuntu-upgrade-linux-image-5-15-0-136-genericubuntu-upgrade-linux-image-5-15-0-136-generic-64kubuntu-upgrade-linux-image-5-15-0-136-generic-lpaeubuntu-upgrade-linux-image-5-4-0-1048-iotubuntu-upgrade-linux-image-5-4-0-1060-xilinx-zynqmpubuntu-upgrade-linux-image-5-4-0-1088-ibmubuntu-upgrade-linux-image-5-4-0-1090-ibmubuntu-upgrade-linux-image-5-4-0-1101-bluefieldubuntu-upgrade-linux-image-5-4-0-1116-fipsubuntu-upgrade-linux-image-5-4-0-1129-kvmubuntu-upgrade-linux-image-5-4-0-1129-raspiubuntu-upgrade-linux-image-5-4-0-1140-oracleubuntu-upgrade-linux-image-5-4-0-1142-awsubuntu-upgrade-linux-image-5-4-0-1142-aws-fipsubuntu-upgrade-linux-image-5-4-0-1145-gcpubuntu-upgrade-linux-image-5-4-0-1145-gcp-fipsubuntu-upgrade-linux-image-5-4-0-1147-azureubuntu-upgrade-linux-image-5-4-0-1147-azure-fipsubuntu-upgrade-linux-image-5-4-0-211-genericubuntu-upgrade-linux-image-5-4-0-211-generic-lpaeubuntu-upgrade-linux-image-5-4-0-211-lowlatencyubuntu-upgrade-linux-image-6-11-0-1005-realtimeubuntu-upgrade-linux-image-6-11-0-1008-raspiubuntu-upgrade-linux-image-6-11-0-1009-awsubuntu-upgrade-linux-image-6-11-0-1009-azureubuntu-upgrade-linux-image-6-11-0-1009-azure-fdeubuntu-upgrade-linux-image-6-11-0-1009-gcpubuntu-upgrade-linux-image-6-11-0-1010-lowlatencyubuntu-upgrade-linux-image-6-11-0-1010-lowlatency-64kubuntu-upgrade-linux-image-6-11-0-1011-oracleubuntu-upgrade-linux-image-6-11-0-1011-oracle-64kubuntu-upgrade-linux-image-6-11-0-1015-oemubuntu-upgrade-linux-image-6-11-0-18-genericubuntu-upgrade-linux-image-6-11-0-18-generic-64kubuntu-upgrade-linux-image-6-8-0-1010-gkeopubuntu-upgrade-linux-image-6-8-0-1014-azure-nvidiaubuntu-upgrade-linux-image-6-8-0-1023-gkeubuntu-upgrade-linux-image-6-8-0-1024-ibmubuntu-upgrade-linux-image-6-8-0-1024-oracleubuntu-upgrade-linux-image-6-8-0-1024-oracle-64kubuntu-upgrade-linux-image-6-8-0-1026-nvidiaubuntu-upgrade-linux-image-6-8-0-1026-nvidia-64kubuntu-upgrade-linux-image-6-8-0-1026-nvidia-lowlatencyubuntu-upgrade-linux-image-6-8-0-1026-nvidia-lowlatency-64kubuntu-upgrade-linux-image-6-8-0-1026-oemubuntu-upgrade-linux-image-6-8-0-1027-awsubuntu-upgrade-linux-image-6-8-0-1027-azureubuntu-upgrade-linux-image-6-8-0-1027-azure-fdeubuntu-upgrade-linux-image-6-8-0-1028-gcpubuntu-upgrade-linux-image-6-8-0-1028-gcp-64kubuntu-upgrade-linux-image-6-8-0-1028-raspiubuntu-upgrade-linux-image-6-8-0-2023-raspi-realtimeubuntu-upgrade-linux-image-6-8-0-58-genericubuntu-upgrade-linux-image-6-8-0-58-generic-64kubuntu-upgrade-linux-image-6-8-0-58-lowlatencyubuntu-upgrade-linux-image-6-8-0-58-lowlatency-64kubuntu-upgrade-linux-image-6-8-1-1020-realtimeubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-aws-fipsubuntu-upgrade-linux-image-aws-lts-20-04ubuntu-upgrade-linux-image-aws-lts-22-04ubuntu-upgrade-linux-image-aws-lts-24-04ubuntu-upgrade-linux-image-azureubuntu-upgrade-linux-image-azure-cvmubuntu-upgrade-linux-image-azure-fdeubuntu-upgrade-linux-image-azure-fde-lts-24-04ubuntu-upgrade-linux-image-azure-fipsubuntu-upgrade-linux-image-azure-lts-20-04ubuntu-upgrade-linux-image-azure-lts-22-04ubuntu-upgrade-linux-image-azure-lts-24-04ubuntu-upgrade-linux-image-azure-nvidiaubuntu-upgrade-linux-image-bluefieldubuntu-upgrade-linux-image-fipsubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-gcp-64kubuntu-upgrade-linux-image-gcp-64k-lts-24-04ubuntu-upgrade-linux-image-gcp-fipsubuntu-upgrade-linux-image-gcp-lts-20-04ubuntu-upgrade-linux-image-gcp-lts-22-04ubuntu-upgrad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References

    Title
    NEW

    Explore Exposure Command

    Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.