CVE-2024-36882

CVE Details

Release Date:

2024-05-30

Description

In the Linux kernel, the following vulnerability has been resolved:\nmm: use memalloc_nofs_save() in page_cache_ra_order()\nSee commit f2c817bed58d ('mm: use memalloc_nofs_save in readahead path'),\nensure that page_cache_ra_order() do not attempt to reclaim file-backed\npages too, or it leads to a deadlock, found issue when test ext4 large\nfolio.\nINFO: task DataXceiver for:7494 blocked for more than 120 seconds.\n'echo 0 > /proc/sys/kernel/hung_task_timeout_secs' disables this message.\ntask:DataXceiver for state:D stack:0 pid:7494 ppid:1 flags:0x00000200\nCall trace:\n__switch_to+0x14c/0x240\n__schedule+0x82c/0xdd0\nschedule+0x58/0xf0\nio_schedule+0x24/0xa0\n__folio_lock+0x130/0x300\nmigrate_pages_batch+0x378/0x918\nmigrate_pages+0x350/0x700\ncompact_zone+0x63c/0xb38\ncompact_zone_order+0xc0/0x118\ntry_to_compact_pages+0xb0/0x280\n__alloc_pages_direct_compact+0x98/0x248\n__alloc_pages+0x510/0x1110\nalloc_pages+0x9c/0x130\nfolio_alloc+0x20/0x78\nfilemap_alloc_folio+0x8c/0x1b0\npage_cache_ra_order+0x174/0x308\nondemand_readahead+0x1c8/0x2b8\npage_cache_async_ra+0x68/0xb8\nfilemap_readahead.isra.0+0x64/0xa8\nfilemap_get_pages+0x3fc/0x5b0\nfilemap_splice_read+0xf4/0x280\next4_file_splice_read+0x2c/0x48 [ext4]\nvfs_splice_read.part.0+0xa8/0x118\nsplice_direct_to_actor+0xbc/0x288\ndo_splice_direct+0x9c/0x108\ndo_sendfile+0x328/0x468\n__arm64_sys_sendfile64+0x8c/0x148\ninvoke_syscall+0x4c/0x118\nel0_svc_common.constprop.0+0xc8/0xf0\ndo_el0_svc+0x24/0x38\nel0_svc+0x4c/0x1f8\nel0t_64_sync_handler+0xc0/0xc8\nel0t_64_sync+0x188/0x190

See more information about CVE-2024-36882 from MITRE CVE dictionary and NIST NVD

CVSS Scoring

NOTE: The following CVSS v3.1 metrics and score provided are preliminary and subject to review.

Base Score:	5.5	CVSS Vector:	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector:	Local network	Attack Complexity:	Low
Privileges Required:	Low	User Interaction:	None
Scope:	Unchanged	Confidentiality Impact:	None
Integrity Impact:	None	Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 9 (kernel)	ELSA-2024-9315	2024-11-14