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Red Hat Security Advisory 2024-1614-03

Red Hat Security Advisory 2024-1614-03 - An update for kernel-rt is now available for Red Hat Enterprise Linux 8. Issues addressed include code execution, null pointer, privilege escalation, and use-after-free vulnerabilities.

Packet Storm
#vulnerability#linux#red_hat#js#rce#amd#jira

The following advisory data is extracted from:

https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_1614.json

Red Hat officially shut down their mailing list notifications October 10, 2023. Due to this, Packet Storm has recreated the below data as a reference point to raise awareness. It must be noted that due to an inability to easily track revision updates without crawling Red Hat’s archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment.

  • Packet Storm Staff

====================================================================
Red Hat Security Advisory

Synopsis: Important: kernel-rt security and bug fix update
Advisory ID: RHSA-2024:1614-03
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2024:1614
Issue date: 2024-04-03
Revision: 03
CVE Names: CVE-2021-33631
====================================================================

Summary:

An update for kernel-rt is now available for Red Hat Enterprise Linux 8.

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.

Description:

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

  • kernel: vmwgfx: NULL pointer dereference in vmw_cmd_dx_define_query (CVE-2022-38096)

  • kernel: Out of boundary write in perf_read_group() as result of overflow a perf_event’s read_size (CVE-2023-6931)

  • kernel: GSM multiplexing race condition leads to privilege escalation (CVE-2023-6546,ZDI-CAN-20527)

  • kernel: CIFS Filesystem Decryption Improper Input Validation Remote Code Execution Vulnerability in function receive_encrypted_standard of client (CVE-2024-0565)

  • kernel: use-after-free in amdgpu_cs_wait_all_fences in drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c (CVE-2023-51042)

  • kernel: ext4: kernel bug in ext4_write_inline_data_end() (CVE-2021-33631)

  • kernel: nf_tables: use-after-free vulnerability in the nft_verdict_init() function (CVE-2024-1086)

Bug Fix(es):

  • kernel-rt: update RT source tree to the latest RHEL-8.9.z3 Batch (JIRA:RHEL-23853)

  • kernel-rt: kernel: nf_tables: use-after-free vulnerability in the nft_verdict_init() function (JIRA:RHEL-24015)

  • kernel-rt: kernel: vmxgfx: NULL pointer dereference in vmw_cmd_dx_define_query (JIRA:RHEL-22758)

  • kernel-rt: kernel: CIFS Filesystem Decryption Improper Input Validation Remote Code Execution Vulnerability in function receive_encrypted_standard of client (JIRA:RHEL-22080)

  • kernel-rt: kernel: Out of boundary write in perf_read_group() as result of overflow a perf_event’s read_size (JIRA:RHEL-22933)

  • kernel-rt: kernel: use-after-free in amdgpu_cs_wait_all_fences in drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c (JIRA:RHEL-24498)

  • kernel-rt: kernel: GSM multiplexing race condition leads to privilege escalation (JIRA:RHEL-19966)

  • kernel-rt: kernel: ext4: kernel bug in ext4_write_inline_data_end() (JIRA:RHEL-26334)

Solution:

https://access.redhat.com/articles/11258

CVEs:

CVE-2021-33631

References:

https://access.redhat.com/security/updates/classification/#important
https://bugzilla.redhat.com/show_bug.cgi?id=2133452
https://bugzilla.redhat.com/show_bug.cgi?id=2252731
https://bugzilla.redhat.com/show_bug.cgi?id=2255498
https://bugzilla.redhat.com/show_bug.cgi?id=2258518
https://bugzilla.redhat.com/show_bug.cgi?id=2259866
https://bugzilla.redhat.com/show_bug.cgi?id=2261976
https://bugzilla.redhat.com/show_bug.cgi?id=2262126

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Debian Linux Security Advisory 5593-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks.

CVE-2023-32463: DSA-2023-200: Security Update for Dell VxRail for Multiple Third-Party Component Vulnerabilities

Dell VxRail, version(s) 8.0.100 and earlier contain a denial-of-service vulnerability in the upgrade functionality. A remote unauthenticated attacker could potentially exploit this vulnerability, leading to degraded performance and system malfunction.

CVE-2023-28043: DSA-2023-164: Dell Secure Connect Gateway Security Update for Multiple Vulnerabilities

Dell SCG 5.14 contains an information disclosure vulnerability during the SRS to SCG upgrade path. A remote low privileged malicious user could potentially exploit this vulnerability to retrieve the plain text.

CVE-2022-38096: Invalid Bug ID

A NULL pointer dereference vulnerability was found in vmwgfx driver in drivers/gpu/vmxgfx/vmxgfx_execbuf.c in GPU component of Linux kernel with device file '/dev/dri/renderD128 (or Dxxx)'. This flaw allows a local attacker with a user account on the system to gain privilege, causing a denial of service(DoS).

Packet Storm: Latest News

Ivanti EPM Remote Code Execution