csaf_suse - suse-su-2021:3371-1

suse-su-2021:3371-1

Vulnerability from csaf_suse

Published

2021-10-12 12:04

Modified

2021-10-12 12:04

Summary

Security update for the Linux Kernel (Live Patch 24 for SLE 15)

Notes

Title of the patch

Security update for the Linux Kernel (Live Patch 24 for SLE 15)

Description of the patch

This update for the Linux Kernel 4.12.14-150_72 fixes several issues. The following security issues were fixed: - CVE-2021-3715: Fixed a user-after-free in the Linux kernel's Traffic Control networking subsystem which could lead to local privilege escalation. (bsc#1190350). - CVE-2021-38160: Fixed a bug that could lead to a data corruption or loss. This can be triggered by an untrusted device that supplies a buf->len value exceeding the buffer size in drivers/char/virtio_console.c (bsc#1190118) - CVE-2021-3640: Fixed a user-after-free bug in the function sco_sock_sendmsg which could lead to local privilege escalation. (bsc#1188613) - CVE-2021-3573: Fixed a user-after-free bug in the function hci_sock_bound_ioctl which could lead to local privilege escalation. (bsc#1187054).

Patchnames

SUSE-2021-3371,SUSE-SLE-Module-Live-Patching-15-2021-3371,SUSE-SLE-Module-Live-Patching-15-2021-3372

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": "A use-after-free in function hci_sock_bound_ioctl() of the Linux kernel HCI subsystem was found in the way user calls ioct HCIUNBLOCKADDR or other way triggers race condition of the call hci_unregister_dev() together with one of the calls hci_sock_blacklist_add(), hci_sock_blacklist_del(), hci_get_conn_info(), hci_get_auth_info(). A privileged local user could use this flaw to crash the system or escalate their privileges on the system. This flaw affects the Linux kernel versions prior to 5.13-rc5.",
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          "text": "A flaw was found in the \"Routing decision\" classifier in the Linux kernel\u0027s Traffic Control networking subsystem in the way it handled changing of classification filters, leading to a use-after-free condition. This flaw allows unprivileged local users to escalate their privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.",
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          "text": "In drivers/char/virtio_console.c in the Linux kernel before 5.13.4, data corruption or loss can be triggered by an untrusted device that supplies a buf-\u003elen value exceeding the buffer size. NOTE: the vendor indicates that the cited data corruption is not a vulnerability in any existing use case; the length validation was added solely for robustness in the face of anomalous host OS behavior",
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CVE-2021-3640 (GCVE-0-2021-3640)

Vulnerability from cvelistv5

Published

2022-03-03 22:04

Modified

2024-08-03 17:01

Severity ?

CWE

CWE-362 - - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition'), CWE-416 - Use After Free.

Summary

A flaw use-after-free in function sco_sock_sendmsg() of the Linux kernel HCI subsystem was found in the way user calls ioct UFFDIO_REGISTER or other way triggers race condition of the call sco_conn_del() together with the call sco_sock_sendmsg() with the expected controllable faulting memory page. A privileged local user could use this flaw to crash the system or escalate their privileges on the system.

References

►

URL

Tags

	https://bugzilla.redhat.com/show_bug.cgi?id=1980646	x_refsource_MISC
	https://ubuntu.com/security/CVE-2021-3640	x_refsource_MISC
	https://www.openwall.com/lists/oss-security/2021/07/22/1	x_refsource_MISC
	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/bluetooth/sco.c?h=v5.16&id=99c23da0eed4fd20cae8243f2b51e10e66aa0951	x_refsource_MISC
	https://github.com/torvalds/linux/commit/99c23da0eed4fd20cae8243f2b51e10e66aa0951	x_refsource_MISC
	https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html	mailing-list, x_refsource_MLIST
	https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html	mailing-list, x_refsource_MLIST
	https://www.debian.org/security/2022/dsa-5096	vendor-advisory, x_refsource_DEBIAN
	https://security.netapp.com/advisory/ntap-20220419-0003/	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	n/a	kernel	Version: Affects kernel v5.15.3 and prior, Fixed in v5.16-rc1 and above.

Show details on NVD website

JSON

To clipboard

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CVE-2021-3715 (GCVE-0-2021-3715)

Vulnerability from cvelistv5

Published

2022-03-02 22:17

Modified

2024-08-03 17:01

Severity ?

CWE

CWE-416

Summary

A flaw was found in the "Routing decision" classifier in the Linux kernel's Traffic Control networking subsystem in the way it handled changing of classification filters, leading to a use-after-free condition. This flaw allows unprivileged local users to escalate their privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

References

►

URL

Tags

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ef299cc3fa1a9e1288665a9fdc8bff55629fd359

x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	kernel	Version: Linux kernel 5.10

Show details on NVD website

JSON

To clipboard

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CVE-2021-3573 (GCVE-0-2021-3573)

Vulnerability from cvelistv5

Published

2021-08-13 00:00

Modified

2024-08-03 17:01

Severity ?

CWE

CWE-362 - ->CWE-416

Summary

A use-after-free in function hci_sock_bound_ioctl() of the Linux kernel HCI subsystem was found in the way user calls ioct HCIUNBLOCKADDR or other way triggers race condition of the call hci_unregister_dev() together with one of the calls hci_sock_blacklist_add(), hci_sock_blacklist_del(), hci_get_conn_info(), hci_get_auth_info(). A privileged local user could use this flaw to crash the system or escalate their privileges on the system. This flaw affects the Linux kernel versions prior to 5.13-rc5.

References

►

URL

Tags

	https://bugzilla.redhat.com/show_bug.cgi?id=1966578
	https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth.git/commit/?id=e305509e678b3a4af2b3cfd410f409f7cdaabb52
	https://www.openwall.com/lists/oss-security/2021/06/08/2
	http://www.openwall.com/lists/oss-security/2023/07/02/1	mailing-list

Impacted products

	Vendor	Product	Version
	n/a	kernel	Version: kernel 5.13-rc5

Show details on NVD website

JSON

To clipboard

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        },
        {
          "name": "[oss-security] 20230702 CVE-2023-3439: Linux MCTP use-after-free in mctp_sendmsg",
          "tags": [
            "mailing-list"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2023/07/02/1"
        }
      ]
    }
  },
  "cveMetadata": {
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    "assignerShortName": "redhat",
    "cveId": "CVE-2021-3573",
    "datePublished": "2021-08-13T00:00:00",
    "dateReserved": "2021-06-01T00:00:00",
    "dateUpdated": "2024-08-03T17:01:07.293Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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CVE-2021-38160 (GCVE-0-2021-38160)

Vulnerability from cvelistv5

Published

2021-08-07 03:31

Modified

2024-08-04 01:37

Severity ?

CWE

Summary

In drivers/char/virtio_console.c in the Linux kernel before 5.13.4, data corruption or loss can be triggered by an untrusted device that supplies a buf->len value exceeding the buffer size. NOTE: the vendor indicates that the cited data corruption is not a vulnerability in any existing use case; the length validation was added solely for robustness in the face of anomalous host OS behavior

References

►

URL

Tags

	https://github.com/torvalds/linux/commit/d00d8da5869a2608e97cfede094dfc5e11462a46	x_refsource_MISC
	https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4	x_refsource_MISC
	https://access.redhat.com/security/cve/cve-2021-38160	x_refsource_MISC
	https://security.netapp.com/advisory/ntap-20210902-0010/	x_refsource_CONFIRM
	https://www.debian.org/security/2021/dsa-4978	vendor-advisory, x_refsource_DEBIAN
	https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html	mailing-list, x_refsource_MLIST
	https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html	mailing-list, x_refsource_MLIST

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

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-2021:3371-1

Vulnerability from csaf_suse

CVE-2021-3640 (GCVE-0-2021-3640)

Vulnerability from cvelistv5

CVE-2021-3715 (GCVE-0-2021-3715)

Vulnerability from cvelistv5

CVE-2021-3573 (GCVE-0-2021-3573)

Vulnerability from cvelistv5

CVE-2021-38160 (GCVE-0-2021-38160)

Vulnerability from cvelistv5

Tags

Sightings

Nomenclature