Vulnerability-Lookup

SUSE-SU-2023:1639-1

Vulnerability from csaf_suse - Published: 2023-03-28 11:41 - Updated: 2026-09-20 15:00

Summary

Security update for the Linux Kernel (Live Patch 1 for SLE 15 SP4)

Severity

Important

Notes

Title of the patch: Security update for the Linux Kernel (Live Patch 1 for SLE 15 SP4)

Description of the patch: This update for the Linux Kernel 5.14.21-150400_24_11 fixes several issues. The following security issues were fixed: - CVE-2023-26545: Fixed double free in net/mpls/af_mpls.c upon an allocation failure (bsc#1208700). - CVE-2023-1078: Fixed a heap out-of-bounds write in rds_rm_zerocopy_callback (bsc#1208838). - CVE-2023-0266: Fixed a use-after-free vulnerability inside the ALSA PCM package. SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 was missing locks that could have been used in a use-after-free that could have resulted in a priviledge escalation to gain ring0 access from the system user (bsc#1207190).

Patchnames: SUSE-2023-1639,SUSE-SLE-Module-Live-Patching-15-SP2-2023-1615,SUSE-SLE-Module-Live-Patching-15-SP3-2023-1624,SUSE-SLE-Module-Live-Patching-15-SP4-2023-1639

CVE-2023-0266

7.8 (High)


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

Affected products

Recommended 9 products

Product	Version	Remediation
Unresolved product id: SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_134-default-0:6-150200.2.3.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_134-default-0:6-150200.2.3.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_134-default-0:6-150200.2.3.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_98-default-0:6-150300.2.3.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_98-default-0:6-150300.2.3.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_98-default-0:6-150300.2.3.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_11-default-0:9-150400.2.3.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_11-default-0:9-150400.2.3.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_11-default-0:9-150400.2.3.x86_64	—	Vendor Fix

Threats

Impact important

CVE-2023-1078

7.8 (High)


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

Affected products

Recommended 9 products, the same list as for CVE-2023-0266

Threats

Impact important

CVE-2023-26545

7 (High)


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

Affected products

Recommended 9 products, the same list as for CVE-2023-0266

Threats

Impact important

References

21 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/s…	self
https://www.suse.com/support/update/announcement/…	self
https://lists.suse.com/pipermail/sle-updates/2023…	self
https://bugzilla.suse.com/1207190	self
https://bugzilla.suse.com/1208838	self
https://bugzilla.suse.com/1208909	self
https://www.suse.com/security/cve/CVE-2023-0266/	self
https://www.suse.com/security/cve/CVE-2023-1078/	self
https://www.suse.com/security/cve/CVE-2023-26545/	self
https://www.suse.com/security/cve/CVE-2023-0266	external
https://bugzilla.suse.com/1207134	external
https://bugzilla.suse.com/1207190	external
https://bugzilla.suse.com/1214128	external
https://www.suse.com/security/cve/CVE-2023-1078	external
https://bugzilla.suse.com/1208601	external
https://bugzilla.suse.com/1208603	external
https://www.suse.com/security/cve/CVE-2023-26545	external
https://bugzilla.suse.com/1208700	external
https://bugzilla.suse.com/1208909	external
https://bugzilla.suse.com/1210423	external

JSON

To clipboard

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          "text": "A use after free vulnerability exists in the ALSA PCM package in the Linux Kernel.  SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 is missing locks that can be used in a use-after-free that can result in a priviledge escalation to gain ring0 access from the system user. We recommend upgrading past commit  56b88b50565cd8b946a2d00b0c83927b7ebb055e",
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          "text": "A flaw was found in the Linux Kernel in RDS (Reliable Datagram Sockets) protocol. The rds_rm_zerocopy_callback() uses list_entry() on the head of a list causing a type confusion. Local user can trigger this with rds_message_put(). Type confusion leads to `struct rds_msg_zcopy_info *info` actually points to something else that is potentially controlled by local user. It is known how to trigger this, which causes an out of bounds access, and a lock corruption.",
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          "text": "In the Linux kernel before 6.1.13, there is a double free in net/mpls/af_mpls.c upon an allocation failure (for registering the sysctl table under a new location) during the renaming of a device.",
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}

CVE-2023-0266 (GCVE-0-2023-0266)

Vulnerability from cvelistv5 – Published: 2023-01-30 13:09 – Updated: 2025-10-21 23:15

Title

Use after free in SNDRV_CTL_IOCTL_ELEM in Linux Kernel

Summary

A use after free vulnerability exists in the ALSA PCM package in the Linux Kernel. SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 is missing locks that can be used in a use-after-free that can result in a priviledge escalation to gain ring0 access from the system user. We recommend upgrading past commit 56b88b50565cd8b946a2d00b0c83927b7ebb055e

Severity

7.9 (High)


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

SSVC

Exploitation: active Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-01-29 15:07 UTC

CWE

CWE-416 - Use After Free

Assigner

Google CNA under the Google root

CNA scorecard C 75/100 over 33 records in the last 180 days details

References

5 references

URL	Tags
https://github.com/torvalds/linux/commit/becf9e5d…
https://git.kernel.org/pub/scm/linux/kernel/git/s…
https://github.com/torvalds/linux/commit/56b88b50…
https://lists.debian.org/debian-lts-announce/2023…
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

Impacted products

1 product

Vendor	Product	Version
Linux	Linux Kernel	Affected: 4.14 , < 56b88b50565cd8b946a2d00b0c83927b7ebb055e (git)

Date Public

2023-01-13 00:00

Show details on NVD website

JSON

To clipboard

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        "references": [
          {
            "tags": [
              "government-resource"
            ],
            "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-0266"
          }
        ],
        "timeline": [
          {
            "lang": "en",
            "time": "2023-03-30T00:00:00.000Z",
            "value": "CVE-2023-0266 added to CISA KEV"
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        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageName": "ALSA pcm",
          "product": "Linux Kernel",
          "repo": "https://git.kernel.org",
          "vendor": "Linux",
          "versions": [
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              "lessThan": "56b88b50565cd8b946a2d00b0c83927b7ebb055e",
              "status": "affected",
              "version": "4.14",
              "versionType": "git"
            }
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      ],
      "datePublic": "2023-01-13T00:00:00.000Z",
      "descriptions": [
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          "lang": "en",
          "supportingMedia": [
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              "type": "text/html",
              "value": "A use after free vulnerability exists in the ALSA PCM package in the Linux Kernel.\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e\u0026nbsp;SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 is missing locks that can be used in a use-after-free that can result in a priviledge escalation to gain ring0 access from the system user. We recommend upgrading past commit\u0026nbsp;56b88b50565cd8b946a2d00b0c83927b7ebb055e\u003c/span\u003e\u003cbr\u003e"
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          ],
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        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-233",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-233 Privilege Escalation"
            }
          ]
        }
      ],
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        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.9,
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          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-416",
              "description": "CWE-416 Use After Free",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
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        "dateUpdated": "2023-05-03T13:06:14.455Z",
        "orgId": "14ed7db2-1595-443d-9d34-6215bf890778",
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      },
      "references": [
        {
          "url": "https://github.com/torvalds/linux/commit/becf9e5d553c2389d857a3c178ce80fdb34a02e1"
        },
        {
          "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-5.10/alsa-pcm-move-rwsem-lock-inside-snd_ctl_elem_read-to-prevent-uaf.patch?id=72783cf35e6c55bca84c4bb7b776c58152856fd4"
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        {
          "url": "https://github.com/torvalds/linux/commit/56b88b50565cd8b946a2d00b0c83927b7ebb055e"
        },
        {
          "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Use after free in SNDRV_CTL_IOCTL_ELEM in Linux Kernel",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
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  "cveMetadata": {
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    "assignerShortName": "Google",
    "cveId": "CVE-2023-0266",
    "datePublished": "2023-01-30T13:09:32.141Z",
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CVE-2023-1078 (GCVE-0-2023-1078)

Vulnerability from cvelistv5 – Published: 2023-03-27 00:00 – Updated: 2025-05-05 16:07

Summary

A flaw was found in the Linux Kernel in RDS (Reliable Datagram Sockets) protocol. The rds_rm_zerocopy_callback() uses list_entry() on the head of a list causing a type confusion. Local user can trigger this with rds_message_put(). Type confusion leads to `struct rds_msg_zcopy_info *info` actually points to something else that is potentially controlled by local user. It is known how to trigger this, which causes an out of bounds access, and a lock corruption.

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/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 2025-04-23 13:28 UTC

CWE

CWE-787

Assigner

redhat CNA under the redhat root

CNA scorecard B 81/100 over 996 records in the last 180 days details

References

5 references

URL	Tags
https://git.kernel.org/pub/scm/linux/kernel/git/n…
https://lists.debian.org/debian-lts-announce/2023…	mailing-list
https://lists.debian.org/debian-lts-announce/2023…	mailing-list
https://security.netapp.com/advisory/ntap-2023050…
http://www.openwall.com/lists/oss-security/2023/11/05/1	mailing-list

Impacted products

1 product

Vendor	Product	Version
n/a	Linux kernel	Affected: unknown

Show details on NVD website

JSON

To clipboard

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          "url": "https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=f753a68980cf4b59a80fe677619da2b1804f526d"
        },
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          "name": "[debian-lts-announce] 20230502 [SECURITY] [DLA 3404-1] linux-5.10 security update",
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CVE-2023-26545 (GCVE-0-2023-26545)

Vulnerability from cvelistv5 – Published: 2023-02-25 00:00 – Updated: 2025-03-20 20:45

Summary

In the Linux kernel before 6.1.13, there is a double free in net/mpls/af_mpls.c upon an allocation failure (for registering the sysctl table under a new location) during the renaming of a device.

Severity

4.7 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-03-06 15:57 UTC

CWE

n/a
CWE-415 - Double Free

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2316 records in the last 180 days details

References

6 references

URL	Tags
https://github.com/torvalds/linux/commit/fda6c89f…
https://git.kernel.org/cgit/linux/kernel/git/torv…
https://cdn.kernel.org/pub/linux/kernel/v6.x/Chan…
https://security.netapp.com/advisory/ntap-2023031…
https://lists.debian.org/debian-lts-announce/2023…	mailing-list
https://lists.debian.org/debian-lts-announce/2023…	mailing-list

Show details on NVD website

JSON

To clipboard

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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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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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

SUSE-SU-2023:1639-1

CVE-2023-0266 (GCVE-0-2023-0266)

CVE-2023-1078 (GCVE-0-2023-1078)

CVE-2023-26545 (GCVE-0-2023-26545)

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour