Vulnerability-Lookup

RHSA-2026:74370

Vulnerability from csaf_opensuse - Published: 2026-10-01 00:00 - Updated: 2026-10-02 10:42

Summary

security update for gvfs

Severity

Important

Notes

Title of the patch: security update for gvfs

Description of the patch: This security update provides a functional equivalent of RHSA-2026:74370. The original Red Hat(R) advisory is available from the Red Hat web site at https://access.redhat.com/errata/RHSA-2026:74370.

Patchnames: RHSA-2026:74370

CVE-2026-84268

7.5 (High)


                
                  CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Recommended 11 products

Product	Version	Remediation
Unresolved product id: SUSE Liberty Linux 9:gvfs-0:1.48.1-8.el9_8.1.i686	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 9:gvfs-0:1.48.1-8.el9_8.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 9:gvfs-client-0:1.48.1-8.el9_8.1.i686	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 9:gvfs-client-0:1.48.1-8.el9_8.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 9:gvfs-devel-0:1.48.1-8.el9_8.1.i686	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 9:gvfs-devel-0:1.48.1-8.el9_8.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 9:gvfs-fuse-0:1.48.1-8.el9_8.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 9:gvfs-goa-0:1.48.1-8.el9_8.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 9:gvfs-gphoto2-0:1.48.1-8.el9_8.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 9:gvfs-mtp-0:1.48.1-8.el9_8.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 9:gvfs-smb-0:1.48.1-8.el9_8.1.x86_64	—	Vendor Fix

Threats

Impact important

CVE-2026-88924

7 (High)


                
                  CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Recommended 11 products, the same list as for CVE-2026-84268

Threats

Impact important

References

8 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/r…	self
https://www.suse.com/security/cve/CVE-2026-84268/	self
https://www.suse.com/security/cve/CVE-2026-88924/	self
https://www.suse.com/security/cve/CVE-2026-84268	external
https://bugzilla.suse.com/1278158	external
https://www.suse.com/security/cve/CVE-2026-88924	external
https://bugzilla.suse.com/1280058	external

JSON

To clipboard

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  "vulnerabilities": [
    {
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          "text": "A flaw was found in the SFTP backend in gvfs. When mounting a share and reading a file, a malicious SFTP server can cause read_reply() to process a length that exceeds the size requested by the client. The function does not verify the server-provided length against the allocated buffer size, causing the operation to write past the intended boundaries. This issue allows a malicious server to corrupt adjacent heap memory in the gvfsd-sftp process, resulting in a denial of service as the process aborts upon detecting the heap corruption or potentially allowing arbitrary code execution.",
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      "remediations": [
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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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CVE-2026-84268 (GCVE-0-2026-84268)

Vulnerability from cvelistv5 – Published: 2026-09-01 15:15 – Updated: 2026-10-01 16:19

Title

Gvfs: sftp: heap-based buffer overflow in read_reply()

Summary

A flaw was found in the SFTP backend in gvfs. When mounting a share and reading a file, a malicious SFTP server can cause read_reply() to process a length that exceeds the size requested by the client. The function does not verify the server-provided length against the allocated buffer size, causing the operation to write past the intended boundaries. This issue allows a malicious server to corrupt adjacent heap memory in the gvfsd-sftp process, resulting in a denial of service as the process aborts upon detecting the heap corruption or potentially allowing arbitrary code execution.

Severity

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-01 18:01 UTC

CWE

CWE-122 - Heap-based Buffer Overflow

Assigner

redhat redhat root Scorecard

References

6 references

URL	Tags
https://access.redhat.com/errata/RHSA-2026:73997	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:73998	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:74370	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-84268	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2526485	issue-trackingx_refsource_REDHAT
https://gitlab.gnome.org/GNOME/gvfs/-/issues/862

Impacted products

6 products

Vendor	Product	Version
GNOME	gvfs	Affected: 0 , < 1.60.2 (semver)
Red Hat	Red Hat Enterprise Linux 10	Unaffected: 0:1.54.4-4.el10_2.1 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 0:1.36.2-22.el8_10 , < * (rpm) cpe:/a:redhat:enterprise_linux:8::appstream cpe:/a:redhat:enterprise_linux:8::crb
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 0:1.48.1-8.el9_8.1 , < * (rpm) cpe:/a:redhat:enterprise_linux:9::appstream cpe:/a:redhat:enterprise_linux:9::crb
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7

Date Public

2026-07-03 00:00

Credits

Red Hat would like to thank Keith Linneman (LinnemanLabs) for reporting this issue.

Show details on NVD website

JSON

To clipboard

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CVE-2026-88924 (GCVE-0-2026-88924)

Vulnerability from cvelistv5 – Published: 2026-09-10 14:32 – Updated: 2026-10-01 16:19

Title

Gvfs: gvfs-admin socket ownership race permits local root

Summary

A flaw was found in the admin backend of gvfs. The privileged gvfsd-admin daemon changes the ownership of newly created private D-Bus sockets by calling the link-following chown() function on a pathname inside a user-controlled directory. A local attacker can exploit this via a Time-of-Check Time-of-Use (TOCTOU) race condition and exchange the socket pathname with a symbolic link pointing to an arbitrary root-owned file (such as /etc/pam.d/su). The daemon subsequently follows the symlink and changes the ownership of the targeted root-owned file to the attacker's user ID. This allows an authenticated local attacker to modify critical system files, leading to a full local privilege escalation to root.

Severity

7 (High)


                        
                          CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-10 17:32 UTC

CWE

CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition

Assigner

redhat redhat root Scorecard

References

5 references

URL	Tags
https://access.redhat.com/errata/RHSA-2026:73998	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:74370	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-88924	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2531456	issue-trackingx_refsource_REDHAT
https://gitlab.gnome.org/GNOME/gvfs/-/issues/875

Impacted products

6 products

Vendor	Product	Version
GNOME	gvfs	Affected: 1.48.1 , < 1.62.0 (semver) Affected: 1.48.1 , < 1.60.3 (semver) Affected: 1.48.1 , < 1.58.5 (semver)
Red Hat	Red Hat Enterprise Linux 10	Unaffected: 0:1.54.4-4.el10_2.1 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 0:1.48.1-8.el9_8.1 , < * (rpm) cpe:/a:redhat:enterprise_linux:9::appstream cpe:/a:redhat:enterprise_linux:9::crb
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7
Red Hat	Red Hat Enterprise Linux 8	cpe:/o:redhat:enterprise_linux:8

Date Public

2026-09-09 00:00

Credits

Red Hat would like to thank lain for reporting this issue.

Show details on NVD website

JSON

To clipboard

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              "lessThan": "*",
              "status": "unaffected",
              "version": "0:1.54.4-4.el10_2.1",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:enterprise_linux:9::appstream",
            "cpe:/a:redhat:enterprise_linux:9::crb"
          ],
          "defaultStatus": "affected",
          "packageName": "gvfs",
          "product": "Red Hat Enterprise Linux 9",
          "vendor": "Red Hat",
          "versions": [
            {
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              "status": "unaffected",
              "version": "0:1.48.1-8.el9_8.1",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:6"
          ],
          "defaultStatus": "affected",
          "packageName": "gvfs",
          "product": "Red Hat Enterprise Linux 6",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:7"
          ],
          "defaultStatus": "affected",
          "packageName": "gvfs",
          "product": "Red Hat Enterprise Linux 7",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
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          "packageName": "gvfs",
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      ],
      "credits": [
        {
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          "value": "Red Hat would like to thank lain for reporting this issue."
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      ],
      "datePublic": "2026-09-09T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "A flaw was found in the admin backend of gvfs. The privileged gvfsd-admin daemon changes the ownership of newly created private D-Bus sockets by calling the link-following chown() function on a pathname inside a user-controlled directory. A local attacker can exploit this via a Time-of-Check Time-of-Use (TOCTOU) race condition and exchange the socket pathname with a symbolic link pointing to an arbitrary root-owned file (such as /etc/pam.d/su). The daemon subsequently follows the symlink and changes the ownership of the targeted root-owned file to the attacker\u0027s user ID. This allows an authenticated local attacker to modify critical system files, leading to a full local privilege escalation to root."
        }
      ],
      "metrics": [
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            "content": {
              "namespace": "https://access.redhat.com/security/updates/classification/",
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        },
        {
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          },
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      ],
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        {
          "url": "https://gitlab.gnome.org/GNOME/gvfs/-/issues/875"
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      ],
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      ],
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  },
  "cveMetadata": {
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    "assignerShortName": "redhat",
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    "dateReserved": "2026-09-10T14:04:13.603Z",
    "dateUpdated": "2026-10-01T16:19:43.031Z",
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}

Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

RHSA-2026:74370

CVE-2026-84268 (GCVE-0-2026-84268)

CVE-2026-88924 (GCVE-0-2026-88924)

Tags

Sightings

Nomenclature

Related by attack behaviour