Ubuntu: (Multiple Advisories) (CVE-2024-38661): Linux kernel vulnerabilities

Ubuntu: (Multiple Advisories) (CVE-2024-38661): Linux kernel vulnerabilities

Severity

5

CVSS

(AV:L/AC:L/Au:S/C:N/I:N/A:C)

Published

06/25/2024

Created

08/10/2024

Added

08/09/2024

Modified

02/04/2025

Description

In the Linux kernel, the following vulnerability has been resolved: s390/ap: Fix crash in AP internal function modify_bitmap() A system crash like this Failing address: 200000cb7df6f000 TEID: 200000cb7df6f403 Fault in home space mode while using kernel ASCE. AS:00000002d71bc007 R3:00000003fe5b8007 S:000000011a446000 P:000000015660c13d Oops: 0038 ilc:3 [#1] PREEMPT SMP Modules linked in: mlx5_ib ... CPU: 8 PID: 7556 Comm: bash Not tainted 6.9.0-rc7 #8 Hardware name: IBM 3931 A01 704 (LPAR) Krnl PSW : 0704e00180000000 0000014b75e7b606 (ap_parse_bitmap_str+0x10e/0x1f8) R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:3 CC:2 PM:0 RI:0 EA:3 Krnl GPRS: 0000000000000001 ffffffffffffffc0 0000000000000001 00000048f96b75d3 000000cb00000100 ffffffffffffffff ffffffffffffffff 000000cb7df6fce0 000000cb7df6fce0 00000000ffffffff 000000000000002b 00000048ffffffff 000003ff9b2dbc80 200000cb7df6fcd8 0000014bffffffc0 000000cb7df6fbc8 Krnl Code: 0000014b75e7b5fc: a7840047brc 8,0000014b75e7b68a 0000014b75e7b600: 18b2lr%r11,%r2 #0000014b75e7b602: a7f4000abrc 15,0000014b75e7b616 >0000014b75e7b606: eb22d00000e6laog%r2,%r2,0(%r13) 0000014b75e7b60c: a7680001lhi %r6,1 0000014b75e7b610: 187blr%r7,%r11 0000014b75e7b612: 84960021brxh%r9,%r6,0000014b75e7b654 0000014b75e7b616: 18e9lr%r14,%r9 Call Trace: [<0000014b75e7b606>] ap_parse_bitmap_str+0x10e/0x1f8 ([<0000014b75e7b5dc>] ap_parse_bitmap_str+0xe4/0x1f8) [<0000014b75e7b758>] apmask_store+0x68/0x140 [<0000014b75679196>] kernfs_fop_write_iter+0x14e/0x1e8 [<0000014b75598524>] vfs_write+0x1b4/0x448 [<0000014b7559894c>] ksys_write+0x74/0x100 [<0000014b7618a440>] __do_syscall+0x268/0x328 [<0000014b761a3558>] system_call+0x70/0x98 INFO: lockdep is turned off. Last Breaking-Event-Address: [<0000014b75e7b636>] ap_parse_bitmap_str+0x13e/0x1f8 Kernel panic - not syncing: Fatal exception: panic_on_oops occured when /sys/bus/ap/a[pq]mask was updated with a relative mask value (like +0x10-0x12,+60,-90) with one of the numeric values exceeding INT_MAX. The fix is simple: use unsigned long values for the internal variables. The correct checks are already in place in the function but a simple int for the internal variables was used with the possibility to overflow.

Solution(s)

• ubuntu-upgrade-linux-image-4-15-0-1139-oracle
• ubuntu-upgrade-linux-image-4-15-0-1160-kvm
• ubuntu-upgrade-linux-image-4-15-0-1170-gcp
• ubuntu-upgrade-linux-image-4-15-0-1177-aws
• ubuntu-upgrade-linux-image-4-15-0-1185-azure
• ubuntu-upgrade-linux-image-4-15-0-233-generic
• ubuntu-upgrade-linux-image-4-15-0-233-lowlatency
• ubuntu-upgrade-linux-image-5-15-0-1035-xilinx-zynqmp
• ubuntu-upgrade-linux-image-5-15-0-1052-gkeop
• ubuntu-upgrade-linux-image-5-15-0-1062-ibm
• ubuntu-upgrade-linux-image-5-15-0-1062-raspi
• ubuntu-upgrade-linux-image-5-15-0-1064-intel-iotg
• ubuntu-upgrade-linux-image-5-15-0-1064-nvidia
• ubuntu-upgrade-linux-image-5-15-0-1064-nvidia-lowlatency
• ubuntu-upgrade-linux-image-5-15-0-1066-gke
• ubuntu-upgrade-linux-image-5-15-0-1066-kvm
• ubuntu-upgrade-linux-image-5-15-0-1067-oracle
• ubuntu-upgrade-linux-image-5-15-0-1068-gcp
• ubuntu-upgrade-linux-image-5-15-0-1069-aws
• ubuntu-upgrade-linux-image-5-15-0-1072-azure
• ubuntu-upgrade-linux-image-5-15-0-1072-azure-fde
• ubuntu-upgrade-linux-image-5-15-0-121-generic
• ubuntu-upgrade-linux-image-5-15-0-121-generic-64k
• ubuntu-upgrade-linux-image-5-15-0-121-generic-lpae
• ubuntu-upgrade-linux-image-5-15-0-121-lowlatency
• ubuntu-upgrade-linux-image-5-15-0-121-lowlatency-64k
• ubuntu-upgrade-linux-image-5-4-0-1042-iot
• ubuntu-upgrade-linux-image-5-4-0-1049-xilinx-zynqmp
• ubuntu-upgrade-linux-image-5-4-0-1077-ibm
• ubuntu-upgrade-linux-image-5-4-0-1090-bluefield
• ubuntu-upgrade-linux-image-5-4-0-1097-gkeop
• ubuntu-upgrade-linux-image-5-4-0-1114-raspi
• ubuntu-upgrade-linux-image-5-4-0-1118-kvm
• ubuntu-upgrade-linux-image-5-4-0-1129-oracle
• ubuntu-upgrade-linux-image-5-4-0-1130-aws
• ubuntu-upgrade-linux-image-5-4-0-1134-gcp
• ubuntu-upgrade-linux-image-5-4-0-1135-azure
• ubuntu-upgrade-linux-image-5-4-0-192-generic
• ubuntu-upgrade-linux-image-5-4-0-192-generic-lpae
• ubuntu-upgrade-linux-image-5-4-0-192-lowlatency
• ubuntu-upgrade-linux-image-6-8-0-1010-gke
• ubuntu-upgrade-linux-image-6-8-0-1011-raspi
• ubuntu-upgrade-linux-image-6-8-0-1012-ibm
• ubuntu-upgrade-linux-image-6-8-0-1012-oem
• ubuntu-upgrade-linux-image-6-8-0-1012-oracle
• ubuntu-upgrade-linux-image-6-8-0-1012-oracle-64k
• ubuntu-upgrade-linux-image-6-8-0-1013-nvidia
• ubuntu-upgrade-linux-image-6-8-0-1013-nvidia-64k
• ubuntu-upgrade-linux-image-6-8-0-1013-nvidia-lowlatency
• ubuntu-upgrade-linux-image-6-8-0-1013-nvidia-lowlatency-64k
• ubuntu-upgrade-linux-image-6-8-0-1014-azure
• ubuntu-upgrade-linux-image-6-8-0-1014-azure-fde
• ubuntu-upgrade-linux-image-6-8-0-1014-gcp
• ubuntu-upgrade-linux-image-6-8-0-1015-aws
• ubuntu-upgrade-linux-image-6-8-0-44-generic
• ubuntu-upgrade-linux-image-6-8-0-44-generic-64k
• ubuntu-upgrade-linux-image-6-8-0-44-lowlatency
• ubuntu-upgrade-linux-image-6-8-0-44-lowlatency-64k
• ubuntu-upgrade-linux-image-6-8-0-45-generic
• ubuntu-upgrade-linux-image-6-8-0-45-generic-64k
• ubuntu-upgrade-linux-image-aws
• ubuntu-upgrade-linux-image-aws-hwe
• ubuntu-upgrade-linux-image-aws-lts-18-04
• ubuntu-upgrade-linux-image-aws-lts-20-04
• 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-18-04
• ubuntu-upgrade-linux-image-azure-lts-20-04
• ubuntu-upgrade-linux-image-azure-lts-22-04
• ubuntu-upgrade-linux-image-bluefield
• ubuntu-upgrade-linux-image-gcp
• ubuntu-upgrade-linux-image-gcp-lts-18-04
• ubuntu-upgrade-linux-image-gcp-lts-20-04
• 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-64k-hwe-24-04
• ubuntu-upgrade-linux-image-generic-hwe-16-04
• ubuntu-upgrade-linux-image-generic-hwe-18-04
• ubuntu-upgrade-linux-image-generic-hwe-20-04
• ubuntu-upgrade-linux-image-generic-hwe-22-04
• ubuntu-upgrade-linux-image-generic-hwe-24-04
• 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-gkeop-5-4
• ubuntu-upgrade-linux-image-ibm
• ubuntu-upgrade-linux-image-ibm-classic
• ubuntu-upgrade-linux-image-ibm-lts-20-04
• ubuntu-upgrade-linux-image-ibm-lts-24-04
• ubuntu-upgrade-linux-image-intel
• ubuntu-upgrade-linux-image-intel-iotg
• ubuntu-upgrade-linux-image-kvm
• 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-16-04
• ubuntu-upgrade-linux-image-lowlatency-hwe-18-04
• 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-6-8
• ubuntu-upgrade-linux-image-nvidia-64k
• ubuntu-upgrade-linux-image-nvidia-64k-6-8
• ubuntu-upgrade-linux-image-nvidia-lowlatency
• ubuntu-upgrade-linux-image-nvidia-lowlatency-64k
• ubuntu-upgrade-linux-image-oem
• 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-oem-osp1
• ubuntu-upgrade-linux-image-oracle
• ubuntu-upgrade-linux-image-oracle-64k
• ubuntu-upgrade-linux-image-oracle-lts-18-04
• ubuntu-upgrade-linux-image-oracle-lts-20-04
• ubuntu-upgrade-linux-image-oracle-lts-22-04
• ubuntu-upgrade-linux-image-raspi
• ubuntu-upgrade-linux-image-raspi-hwe-18-04
• ubuntu-upgrade-linux-image-raspi-nolpae
• ubuntu-upgrade-linux-image-raspi2
• ubuntu-upgrade-linux-image-snapdragon-hwe-18-04
• ubuntu-upgrade-linux-image-virtual
• ubuntu-upgrade-linux-image-virtual-hwe-16-04
• ubuntu-upgrade-linux-image-virtual-hwe-18-04
• ubuntu-upgrade-linux-image-virtual-hwe-20-04
• ubuntu-upgrade-linux-image-virtual-hwe-22-04
• ubuntu-upgrade-linux-image-virtual-hwe-24-04
• ubuntu-upgrade-linux-image-xilinx-zynqmp

References

• https://attackerkb.com/topics/cve-2024-38661
• CVE - 2024-38661
• USN-6951-1
• USN-6951-2
• USN-6951-3
• USN-6951-4
• USN-6953-1
• USN-6979-1
• USN-6999-1
• USN-6999-2
• USN-7004-1
• USN-7005-1
• USN-7005-2
• USN-7007-1
• USN-7007-2
• USN-7007-3
• USN-7008-1
• USN-7009-1
• USN-7009-2
• USN-7019-1
• USN-7029-1
• USN-7233-1
• USN-7233-2
• USN-7233-3

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