csaf_redhat - rhsa-2024

rhsa-2024_1323

Vulnerability from csaf_redhat

Published

2024-03-13 22:58

Modified

2024-09-13 21:20

Summary

Red Hat Security Advisory: kpatch-patch security update

Notes

Topic

An update for kpatch-patch is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Details

This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. Security Fix(es): * kernel: use-after-free in sch_qfq network scheduler (CVE-2023-4921) * kernel: IGB driver inadequate buffer size for frames larger than MTU (CVE-2023-45871) * kernel: use-after-free in l2cap_connect and l2cap_le_connect_req in net/bluetooth/l2cap_core.c (CVE-2022-42896) * kernel: out-of-bounds write in qfq_change_class function (CVE-2023-31436) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

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        "text": "An update for kpatch-patch is now available for Red Hat Enterprise Linux 7.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
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        "text": "This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel.\n\nSecurity Fix(es):\n\n* kernel: use-after-free in sch_qfq network scheduler (CVE-2023-4921)\n\n* kernel: IGB driver inadequate buffer size for frames larger than MTU (CVE-2023-45871)\n\n* kernel: use-after-free in l2cap_connect and l2cap_le_connect_req in net/bluetooth/l2cap_core.c (CVE-2022-42896)\n\n* kernel: out-of-bounds write in qfq_change_class function (CVE-2023-31436)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
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cve-2023-45871

Vulnerability from cvelistv5

Published

2023-10-15 00:00

Modified

2024-08-02 20:29

Severity

Summary

An issue was discovered in drivers/net/ethernet/intel/igb/igb_main.c in the IGB driver in the Linux kernel before 6.5.3. A buffer size may not be adequate for frames larger than the MTU.

References

URL	Tags
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=bb5ed01cd2428cd25b1c88a3a9cba87055eb289f
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.3
https://security.netapp.com/advisory/ntap-20231110-0001/
https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html	mailing-list

Impacted products

Vendor	Product
n/a	n/a

Show details on NVD website

JSON

To clipboard

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  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

cve-2023-4921

Vulnerability from cvelistv5

Published

2023-09-12 19:45

Modified

2024-08-02 07:44

Severity

7.8 (High) - cvssV3_1 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary

Use-after-free in Linux kernel's net/sched: sch_qfq component

References

URL	Tags
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8fc134fee27f2263988ae38920bc03da416b03d8	patch
https://kernel.dance/8fc134fee27f2263988ae38920bc03da416b03d8
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html

Impacted products

Vendor	Product
Linux	Kernel

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T07:44:52.210Z",
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        }
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      "credits": [
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          "lang": "en",
          "type": "finder",
          "user": "00000000-0000-4000-9000-000000000000",
          "value": "valis"
        }
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      "datePublic": "2023-09-05T06:54:12+00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "A use-after-free vulnerability in the Linux kernel\u0027s net/sched: sch_qfq component can be exploited to achieve local privilege escalation.\n\nWhen the plug qdisc is used as a class of the qfq qdisc, sending network packets triggers use-after-free in qfq_dequeue() due to the incorrect .peek handler of sch_plug and lack of error checking in agg_dequeue().\n\nWe recommend upgrading past commit 8fc134fee27f2263988ae38920bc03da416b03d8.\n\n"
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            "attackComplexity": "LOW",
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            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
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              "value": "GENERAL"
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        "dateUpdated": "2023-09-12T19:45:19.367Z",
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          "url": "https://kernel.dance/8fc134fee27f2263988ae38920bc03da416b03d8"
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          "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html"
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        {
          "url": "https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html"
        }
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  "dataType": "CVE_RECORD",
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cve-2023-31436

Vulnerability from cvelistv5

Published

2023-04-28 00:00

Modified

2024-08-02 14:53

Severity

Summary

qfq_change_class in net/sched/sch_qfq.c in the Linux kernel before 6.2.13 allows an out-of-bounds write because lmax can exceed QFQ_MIN_LMAX.

References

URL	Tags
https://github.com/torvalds/linux/commit/3037933448f60f9acb705997eae62013ecb81e0d
https://www.spinics.net/lists/stable-commits/msg294885.html
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.13
https://www.debian.org/security/2023/dsa-5402	vendor-advisory
https://lists.debian.org/debian-lts-announce/2023/06/msg00008.html	mailing-list
https://security.netapp.com/advisory/ntap-20230609-0001/
http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html
http://packetstormsecurity.com/files/173757/Kernel-Live-Patch-Security-Notice-LSN-0096-1.html
http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html

Impacted products

Vendor	Product
n/a	n/a

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T14:53:30.606Z",
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          {
            "tags": [
              "x_transferred"
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            "url": "https://www.spinics.net/lists/stable-commits/msg294885.html"
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            "tags": [
              "x_transferred"
            ],
            "url": "https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.13"
          },
          {
            "name": "DSA-5402",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2023/dsa-5402"
          },
          {
            "name": "[debian-lts-announce] 20230605 [SECURITY] [DLA 3446-1] linux-5.10 security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00008.html"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20230609-0001/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html"
          },
          {
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            ],
            "url": "http://packetstormsecurity.com/files/173757/Kernel-Live-Patch-Security-Notice-LSN-0096-1.html"
          },
          {
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            "url": "http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html"
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          "value": "qfq_change_class in net/sched/sch_qfq.c in the Linux kernel before 6.2.13 allows an out-of-bounds write because lmax can exceed QFQ_MIN_LMAX."
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        {
          "url": "https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.13"
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          "name": "[debian-lts-announce] 20230605 [SECURITY] [DLA 3446-1] linux-5.10 security update",
          "tags": [
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          "url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00008.html"
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          "url": "http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html"
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cve-2022-42896

Vulnerability from cvelistv5

Published

2022-11-23 14:11

Modified

2024-08-03 13:19

Severity

8.0 (High) - cvssV3_1 - CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N

Summary

Info Leak in l2cap_core in the Linux Kernel

References

URL	Tags
https://github.com/torvalds/linux/commit/711f8c3fb3db61897080468586b970c87c61d9e4
https://kernel.dance/#711f8c3fb3db61897080468586b970c87c61d9e4

Impacted products

Vendor	Product
Linux	Linux Kernel

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T13:19:05.444Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        },
        "references": [
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            "url": "https://kernel.dance/#711f8c3fb3db61897080468586b970c87c61d9e4"
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        ],
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      }
    ],
    "cna": {
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          "product": "Linux Kernel",
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              "status": "affected",
              "version": "3.0.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "datePublic": "2022-11-02T23:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eThere are use-after-free vulnerabilities in the Linux kernel\u0027s net/bluetooth/l2cap_core.c\u0027s l2cap_connect and l2cap_le_connect_req functions which may allow code execution and leaking kernel memory (respectively) remotely via Bluetooth.\u0026nbsp;\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eA remote attacker could execute code leaking kernel memory via Bluetooth if within proximity of the victim.\u003c/span\u003e\u003cbr\u003e\u003c/span\u003e\u003c/span\u003e\u003cbr\u003eWe recommend upgrading past commit\u0026nbsp;\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://www.google.com/url?q=https://github.com/torvalds/linux/commit/b1a2cd50c0357f243b7435a732b4e62ba3157a2e\u0026amp;sa=D\u0026amp;source=buganizer\u0026amp;usg=AOvVaw1MgsfyPTiSrqqs3LAs-ZRS\"\u003e\u003c/a\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://www.google.com/url?q=https://github.com/torvalds/linux/commit/711f8c3fb3db61897080468586b970c87c61d9e4\u0026amp;sa=D\u0026amp;source=buganizer\u0026amp;usg=AOvVaw22K1DH0yRHxuiaUXy9_wmV\"\u003ehttps://github.com/torvalds/linux/commit/711f8c3fb3db61897080468586b970c87c61d9e4\u003c/a\u003e\u003cbr\u003e\u003cbr\u003e"
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              "lang": "en",
              "value": "CAPEC-253 Remote Code Inclusion"
            }
          ]
        }
      ],
      "metrics": [
        {
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            "attackComplexity": "HIGH",
            "attackVector": "ADJACENT_NETWORK",
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            "baseScore": 8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
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              "cweId": "CWE-416",
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      "source": {
        "discovery": "EXTERNAL"
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      "title": "Info Leak in l2cap_core in the Linux Kernel",
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    "assignerShortName": "Google",
    "cveId": "CVE-2022-42896",
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    "dateReserved": "2022-10-12T18:30:19.769Z",
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    "requesterUserId": "ed9b5bb2-2df1-4aa3-9791-5fb260d88e62",
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}

Action not permitted

rhsa-2024_1323

Vulnerability from csaf_redhat

cve-2023-45871

Vulnerability from cvelistv5

cve-2023-4921

Vulnerability from cvelistv5

cve-2023-31436

Vulnerability from cvelistv5

cve-2022-42896

Vulnerability from cvelistv5

Tags