Bug 2180936 (CVE-2023-1582) - CVE-2023-1582 kernel: Soft lockup occurred during __page_mapcount
Summary: CVE-2023-1582 kernel: Soft lockup occurred during __page_mapcount
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2023-1582
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2180958 2180991 2180992
Blocks: 2174623 2176389
TreeView+ depends on / blocked
 
Reported: 2023-03-22 16:58 UTC by Rohit Keshri
Modified: 2023-09-26 21:47 UTC (History)
45 users (show)

Fixed In Version: Kernel 5.7 RC14
Doc Type: If docs needed, set a value
Doc Text:
A race problem was found in fs/proc/task_mmu.c in the memory management sub-component in the Linux kernel. This issue may allow a local attacker with user privilege to cause a denial of service.
Clone Of:
Environment:
Last Closed: 2023-05-16 23:42:21 UTC
Embargoed:


Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2023:2736 0 None None None 2023-05-16 08:06:25 UTC
Red Hat Product Errata RHSA-2023:2951 0 None None None 2023-05-16 08:35:10 UTC

Description Rohit Keshri 2023-03-22 16:58:10 UTC
A race problem was found fs/proc/task_mmu.c leading to a denial of service problem. 

Crash:
    [  160.464398] Call Trace:
    [  160.466452]  smaps_account+0xb6/0x220
    [  160.469256]  smaps_pte_range+0x49c/0x610
    [  160.472215]  walk_pgd_range+0x471/0xa30
    [  160.475196]  ? apic_timer_interrupt+0xa/0x20
    [  160.478362]  __walk_page_range+0x57/0x180
    [  160.481424]  walk_page_vma+0x66/0x90
    [  160.484174]  smap_gather_stats+0x42/0xa

Reference:
https://lore.kernel.org/linux-mm/Yg6ac8WlwtnDH6M0@kroah.com/

Comment 7 errata-xmlrpc 2023-05-16 08:06:21 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2023:2736 https://access.redhat.com/errata/RHSA-2023:2736

Comment 8 errata-xmlrpc 2023-05-16 08:35:06 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2023:2951 https://access.redhat.com/errata/RHSA-2023:2951

Comment 9 Product Security DevOps Team 2023-05-16 23:42:17 UTC
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2023-1582


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