csaf_suse - suse-su-2022:4572-1

suse-su-2022:4572-1

Vulnerability from csaf_suse

Published

2022-12-19 16:34

Modified

2022-12-19 16:34

Summary

Security update for the Linux Kernel (Live Patch 26 for SLE 15 SP3)

Notes

Title of the patch

Security update for the Linux Kernel (Live Patch 26 for SLE 15 SP3)

Description of the patch

This update for the Linux Kernel 5.3.18-150300_59_101 fixes several issues. The following security issues were fixed: - CVE-2022-43945: Fixed a buffer overflow in the NFSD implementation (bsc#1205128). - CVE-2022-4378: Fixed stack overflow in __do_proc_dointvec (bsc#1206207). - CVE-2022-4139: Fixed an issue with the i915 driver that allowed the GPU to access any physical memory (bsc#1205700).

Patchnames

SUSE-2022-4572,SUSE-SLE-Module-Live-Patching-15-SP3-2022-4572

CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).

JSON

To clipboard

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          "text": "An incorrect TLB flush issue was found in the Linux kernel\u0027s GPU i915 kernel driver, potentially leading to random memory corruption or data leaks. This flaw could allow a local user to crash the system or escalate their privileges on the system.",
          "title": "CVE description"
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      "title": "CVE-2022-43945"
    }
  ]
}

CVE-2022-43945 (GCVE-0-2022-43945)

Vulnerability from cvelistv5

Published

2022-11-04 00:00

Modified

2025-05-01 19:08

Severity ?

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

CWE

CWE-131 - Incorrect Calculation of Buffer Size

Summary

The Linux kernel NFSD implementation prior to versions 5.19.17 and 6.0.2 are vulnerable to buffer overflow. NFSD tracks the number of pages held by each NFSD thread by combining the receive and send buffers of a remote procedure call (RPC) into a single array of pages. A client can force the send buffer to shrink by sending an RPC message over TCP with garbage data added at the end of the message. The RPC message with garbage data is still correctly formed according to the specification and is passed forward to handlers. Vulnerable code in NFSD is not expecting the oversized request and writes beyond the allocated buffer space. CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

►

URL

Tags

	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f90497a16e434c2211c66e3de8e77b17868382b8
	https://security.netapp.com/advisory/ntap-20221215-0006/
	http://packetstormsecurity.com/files/171289/Kernel-Live-Patch-Security-Notice-LNS-0092-1.html

Impacted products

	Vendor	Product	Version
	linux	linux_kernel	Version: < 6.0.2

Show details on NVD website

JSON

To clipboard

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        "metrics": [
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            "cvssV3_1": {
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            }
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      ],
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          "lang": "en",
          "value": "The Linux kernel NFSD implementation prior to versions 5.19.17 and 6.0.2 are vulnerable to buffer overflow. NFSD tracks the number of pages held by each NFSD thread by combining the receive and send buffers of a remote procedure call (RPC) into a single array of pages. A client can force the send buffer to shrink by sending an RPC message over TCP with garbage data added at the end of the message. The RPC message with garbage data is still correctly formed according to the specification and is passed forward to handlers. Vulnerable code in NFSD is not expecting the oversized request and writes beyond the allocated buffer space. CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
        }
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CVE-2022-4139 (GCVE-0-2022-4139)

Vulnerability from cvelistv5

Published

2023-01-27 00:00

Modified

2025-03-28 15:43

Severity ?

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

CWE

CWE-281

Summary

An incorrect TLB flush issue was found in the Linux kernel’s GPU i915 kernel driver, potentially leading to random memory corruption or data leaks. This flaw could allow a local user to crash the system or escalate their privileges on the system.

References

►

URL

Tags

	https://bugzilla.redhat.com/show_bug.cgi?id=2147572
	https://www.openwall.com/lists/oss-security/2022/11/30/1
	https://security.netapp.com/advisory/ntap-20230309-0004/

Impacted products

	Vendor	Product	Version
	n/a	kernel	Version: kernel 6.1-rc7

Show details on NVD website

JSON

To clipboard

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        "title": "CISA ADP Vulnrichment"
      }
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}

CVE-2022-4378 (GCVE-0-2022-4378)

Vulnerability from cvelistv5

Published

2023-01-05 00:00

Modified

2025-04-10 14:19

Severity ?

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

CWE

CWE-131 - ->CWE-120

Summary

A stack overflow flaw was found in the Linux kernel's SYSCTL subsystem in how a user changes certain kernel parameters and variables. This flaw allows a local user to crash or potentially escalate their privileges on the system.

References

►

URL

Tags

	https://bugzilla.redhat.com/show_bug.cgi?id=2152548
	https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-6.0/proc-avoid-integer-type-confusion-in-get_proc_long.patch
	https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-6.0/proc-proc_skip_spaces-shouldn-t-think-it-is-working-on-c-strings.patch
	https://seclists.org/oss-sec/2022/q4/178
	http://packetstormsecurity.com/files/171289/Kernel-Live-Patch-Security-Notice-LNS-0092-1.html

Impacted products

	Vendor	Product	Version
	n/a	kernel	Version: kernel 6.0.12

Show details on NVD website

JSON

To clipboard

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}

Tags

Taxonomy of the tags.

All sightings related to this event Export sightings related to this event

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted

suse-su-2022:4572-1

Vulnerability from csaf_suse

CVE-2022-43945 (GCVE-0-2022-43945)

Vulnerability from cvelistv5

CVE-2022-4139 (GCVE-0-2022-4139)

Vulnerability from cvelistv5

CVE-2022-4378 (GCVE-0-2022-4378)

Vulnerability from cvelistv5

Tags

Sightings

Nomenclature