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Ubuntu: (Multiple Advisories) (CVE-2024-36882): Linux kernel vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2024-36882): Linux kernel vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
05/30/2024
Created
08/10/2024
Added
08/09/2024
Modified
08/14/2024

Description

In the Linux kernel, the following vulnerability has been resolved: mm: use memalloc_nofs_save() in page_cache_ra_order() See commit f2c817bed58d ("mm: use memalloc_nofs_save in readahead path"), ensure that page_cache_ra_order() do not attempt to reclaim file-backed pages too, or it leads to a deadlock, found issue when test ext4 large folio. INFO: task DataXceiver for:7494 blocked for more than 120 seconds. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:DataXceiver for state:D stack:0 pid:7494 ppid:1 flags:0x00000200 Call trace: __switch_to+0x14c/0x240 __schedule+0x82c/0xdd0 schedule+0x58/0xf0 io_schedule+0x24/0xa0 __folio_lock+0x130/0x300 migrate_pages_batch+0x378/0x918 migrate_pages+0x350/0x700 compact_zone+0x63c/0xb38 compact_zone_order+0xc0/0x118 try_to_compact_pages+0xb0/0x280 __alloc_pages_direct_compact+0x98/0x248 __alloc_pages+0x510/0x1110 alloc_pages+0x9c/0x130 folio_alloc+0x20/0x78 filemap_alloc_folio+0x8c/0x1b0 page_cache_ra_order+0x174/0x308 ondemand_readahead+0x1c8/0x2b8 page_cache_async_ra+0x68/0xb8 filemap_readahead.isra.0+0x64/0xa8 filemap_get_pages+0x3fc/0x5b0 filemap_splice_read+0xf4/0x280 ext4_file_splice_read+0x2c/0x48 [ext4] vfs_splice_read.part.0+0xa8/0x118 splice_direct_to_actor+0xbc/0x288 do_splice_direct+0x9c/0x108 do_sendfile+0x328/0x468 __arm64_sys_sendfile64+0x8c/0x148 invoke_syscall+0x4c/0x118 el0_svc_common.constprop.0+0xc8/0xf0 do_el0_svc+0x24/0x38 el0_svc+0x4c/0x1f8 el0t_64_sync_handler+0xc0/0xc8 el0t_64_sync+0x188/0x190

Solution(s)

  • ubuntu-upgrade-linux-image-6-8-0-1008-gke
  • ubuntu-upgrade-linux-image-6-8-0-1009-raspi
  • ubuntu-upgrade-linux-image-6-8-0-1010-ibm
  • ubuntu-upgrade-linux-image-6-8-0-1010-oem
  • ubuntu-upgrade-linux-image-6-8-0-1010-oracle
  • ubuntu-upgrade-linux-image-6-8-0-1010-oracle-64k
  • ubuntu-upgrade-linux-image-6-8-0-1011-nvidia
  • ubuntu-upgrade-linux-image-6-8-0-1011-nvidia-64k
  • ubuntu-upgrade-linux-image-6-8-0-1011-nvidia-lowlatency
  • ubuntu-upgrade-linux-image-6-8-0-1011-nvidia-lowlatency-64k
  • ubuntu-upgrade-linux-image-6-8-0-1012-gcp
  • ubuntu-upgrade-linux-image-6-8-0-1013-aws
  • ubuntu-upgrade-linux-image-6-8-0-40-generic
  • ubuntu-upgrade-linux-image-6-8-0-40-generic-64k
  • ubuntu-upgrade-linux-image-6-8-0-40-lowlatency
  • ubuntu-upgrade-linux-image-6-8-0-40-lowlatency-64k
  • ubuntu-upgrade-linux-image-aws
  • ubuntu-upgrade-linux-image-gcp
  • ubuntu-upgrade-linux-image-generic
  • ubuntu-upgrade-linux-image-generic-64k
  • ubuntu-upgrade-linux-image-generic-64k-hwe-24-04
  • ubuntu-upgrade-linux-image-generic-hwe-24-04
  • ubuntu-upgrade-linux-image-generic-lpae
  • ubuntu-upgrade-linux-image-gke
  • ubuntu-upgrade-linux-image-ibm
  • ubuntu-upgrade-linux-image-ibm-classic
  • ubuntu-upgrade-linux-image-ibm-lts-24-04
  • ubuntu-upgrade-linux-image-kvm
  • ubuntu-upgrade-linux-image-lowlatency
  • ubuntu-upgrade-linux-image-lowlatency-64k
  • 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-24-04
  • ubuntu-upgrade-linux-image-oem-24-04a
  • ubuntu-upgrade-linux-image-oracle
  • ubuntu-upgrade-linux-image-oracle-64k
  • ubuntu-upgrade-linux-image-raspi
  • ubuntu-upgrade-linux-image-virtual
  • ubuntu-upgrade-linux-image-virtual-hwe-24-04

References

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