SUSE-SU-2022:3362-1

Vulnerability from csaf_suse - Published: 2022-09-23 23:04 - Updated: 2022-09-23 23:04
Summary
Security update for the Linux Kernel (Live Patch 32 for SLE 15)

Notes

Title of the patch
Security update for the Linux Kernel (Live Patch 32 for SLE 15)
Description of the patch
This update for the Linux Kernel 4.12.14-150000_150_98 fixes one issue. The following security issue was fixed: - CVE-2022-39188: Fixed a race condition between unmap_mapping_range() and munmap() on VM_PFNMAP mappings leads to stale TLB entry (bsc#1203116).
Patchnames
SUSE-2022-3362,SUSE-SLE-Live-Patching-12-SP4-2022-3357,SUSE-SLE-Module-Live-Patching-15-2022-3361,SUSE-SLE-Module-Live-Patching-15-2022-3362
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
To clipboard 

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          "text": "An issue was discovered in include/asm-generic/tlb.h in the Linux kernel before 5.19. Because of a race condition (unmap_mapping_range versus munmap), a device driver can free a page while it still has stale TLB entries. This only occurs in situations with VM_PFNMAP VMAs.",
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          "summary": "SUSE Bug 1209225 for CVE-2022-39188",
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        {
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          "summary": "SUSE Bug 1212326 for CVE-2022-39188",
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          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
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        {
          "category": "impact",
          "date": "2022-09-23T23:04:47Z",
          "details": "important"
        }
      ],
      "title": "CVE-2022-39188"
    }
  ]
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.