Security update for the Linux Kernel

Announcement ID:	SUSE-SU-2024:0463-1
Rating:	important
References:	bsc#1108281 bsc#1193285 bsc#1216702 bsc#1217987 bsc#1217988 bsc#1217989 bsc#1218713 bsc#1218730 bsc#1218752 bsc#1218757 bsc#1218768 bsc#1218804 bsc#1218832 bsc#1218836 bsc#1219053 bsc#1219120 bsc#1219412 bsc#1219434
Cross-References:	CVE-2021-33631 CVE-2023-46838 CVE-2023-47233 CVE-2023-51043 CVE-2023-51780 CVE-2023-51782 CVE-2023-6040 CVE-2023-6356 CVE-2023-6535 CVE-2023-6536 CVE-2023-6915 CVE-2024-0565 CVE-2024-0775 CVE-2024-1086
CVSS scores:	CVE-2021-33631 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2021-33631 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2023-46838 ( SUSE ): 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H CVE-2023-46838 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2023-47233 ( SUSE ): 4.3 CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2023-47233 ( NVD ): 4.3 CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2023-51043 ( SUSE ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2023-51043 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2023-51780 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2023-51780 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2023-51782 ( SUSE ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2023-51782 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2023-6040 ( SUSE ): 4.4 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N CVE-2023-6040 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2023-6356 ( SUSE ): 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2023-6356 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2023-6535 ( SUSE ): 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2023-6535 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2023-6536 ( SUSE ): 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2023-6536 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2023-6915 ( SUSE ): 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2023-6915 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2024-0565 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2024-0565 ( NVD ): 7.4 CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H CVE-2024-0775 ( SUSE ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H CVE-2024-0775 ( NVD ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H CVE-2024-1086 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2024-1086 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:	SUSE Linux Enterprise Micro 5.1 SUSE Linux Enterprise Micro 5.2 SUSE Linux Enterprise Micro for Rancher 5.2

An update that solves 14 vulnerabilities and has four security fixes can now be installed.

Description:

The SUSE Linux Enterprise 15 SP3 RT kernel was updated to receive various security bugfixes.

The following security bugs were fixed:

• CVE-2024-1086: Fixed a use-after-free vulnerability inside the nf_tables component that could have been exploited to achieve local privilege escalation (bsc#1219434).
• CVE-2023-51780: Fixed a use-after-free in do_vcc_ioctl in net/atm/ioctl.c, because of a vcc_recvmsg race condition (bsc#1218730).
• CVE-2023-46838: Fixed an issue with Xen netback processing of zero-length transmit fragment (bsc#1218836).
• CVE-2021-33631: Fixed an integer overflow in ext4_write_inline_data_end() (bsc#1219412).
• CVE-2023-6535: Fixed a NULL pointer dereference in nvmet_tcp_execute_request (bsc#1217988).
• CVE-2023-6536: Fixed a NULL pointer dereference in __nvmet_req_complete (bsc#1217989).
• CVE-2023-6356: Fixed a NULL pointer dereference in nvmet_tcp_build_pdu_iovec (bsc#1217987).
• CVE-2023-47233: Fixed a use-after-free in the device unplugging (disconnect the USB by hotplug) code inside the brcm80211 component (bsc#1216702).
• CVE-2023-51043: Fixed use-after-free during a race condition between a nonblocking atomic commit and a driver unload in drivers/gpu/drm/drm_atomic.c (bsc#1219120).
• CVE-2024-0775: Fixed use-after-free in __ext4_remount in fs/ext4/super.c that could allow a local user to cause an information leak problem while freeing the old quota file names before a potential failure (bsc#1219053).
• CVE-2024-0565: Fixed an out-of-bounds memory read flaw in receive_encrypted_standard in fs/smb/client/smb2ops.c (bsc#1218832).
• CVE-2023-6915: Fixed a NULL pointer dereference problem in ida_free in lib/idr.c (bsc#1218804).
• CVE-2023-6040: Fixed an out-of-bounds access vulnerability while creating a new netfilter table, lack of a safeguard against invalid nf_tables family (pf) values within nf_tables_newtable function (bsc#1218752).
• CVE-2023-51782: Fixed use-after-free in rose_ioctl in net/rose/af_rose.c because of a rose_accept race condition (bsc#1218757).

The following non-security bugs were fixed:

• Store the old kernel changelog entries in kernel-docs package (bsc#1218713).
• x86/entry/ia32: Ensure s32 is sign extended to s64 (bsc#1193285).

Special Instructions and Notes:

• Please reboot the system after installing this update.

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

• SUSE Linux Enterprise Micro 5.1
  zypper in -t patch SUSE-SUSE-MicroOS-5.1-2024-463=1
• SUSE Linux Enterprise Micro 5.2
  zypper in -t patch SUSE-SUSE-MicroOS-5.2-2024-463=1
• SUSE Linux Enterprise Micro for Rancher 5.2
  zypper in -t patch SUSE-SUSE-MicroOS-5.2-2024-463=1

Package List:

• SUSE Linux Enterprise Micro 5.1 (nosrc x86_64)
  • kernel-rt-5.3.18-150300.158.1
• SUSE Linux Enterprise Micro 5.1 (x86_64)
  • kernel-rt-debuginfo-5.3.18-150300.158.1
  • kernel-rt-debugsource-5.3.18-150300.158.1
• SUSE Linux Enterprise Micro 5.2 (nosrc x86_64)
  • kernel-rt-5.3.18-150300.158.1
• SUSE Linux Enterprise Micro 5.2 (x86_64)
  • kernel-rt-debuginfo-5.3.18-150300.158.1
  • kernel-rt-debugsource-5.3.18-150300.158.1
• SUSE Linux Enterprise Micro for Rancher 5.2 (nosrc x86_64)
  • kernel-rt-5.3.18-150300.158.1
• SUSE Linux Enterprise Micro for Rancher 5.2 (x86_64)
  • kernel-rt-debuginfo-5.3.18-150300.158.1
  • kernel-rt-debugsource-5.3.18-150300.158.1

References:

• https://www.suse.com/security/cve/CVE-2021-33631.html
• https://www.suse.com/security/cve/CVE-2023-46838.html
• https://www.suse.com/security/cve/CVE-2023-47233.html
• https://www.suse.com/security/cve/CVE-2023-51043.html
• https://www.suse.com/security/cve/CVE-2023-51780.html
• https://www.suse.com/security/cve/CVE-2023-51782.html
• https://www.suse.com/security/cve/CVE-2023-6040.html
• https://www.suse.com/security/cve/CVE-2023-6356.html
• https://www.suse.com/security/cve/CVE-2023-6535.html
• https://www.suse.com/security/cve/CVE-2023-6536.html
• https://www.suse.com/security/cve/CVE-2023-6915.html
• https://www.suse.com/security/cve/CVE-2024-0565.html
• https://www.suse.com/security/cve/CVE-2024-0775.html
• https://www.suse.com/security/cve/CVE-2024-1086.html
• https://bugzilla.suse.com/show_bug.cgi?id=1108281
• https://bugzilla.suse.com/show_bug.cgi?id=1193285
• https://bugzilla.suse.com/show_bug.cgi?id=1216702
• https://bugzilla.suse.com/show_bug.cgi?id=1217987
• https://bugzilla.suse.com/show_bug.cgi?id=1217988
• https://bugzilla.suse.com/show_bug.cgi?id=1217989
• https://bugzilla.suse.com/show_bug.cgi?id=1218713
• https://bugzilla.suse.com/show_bug.cgi?id=1218730
• https://bugzilla.suse.com/show_bug.cgi?id=1218752
• https://bugzilla.suse.com/show_bug.cgi?id=1218757
• https://bugzilla.suse.com/show_bug.cgi?id=1218768
• https://bugzilla.suse.com/show_bug.cgi?id=1218804
• https://bugzilla.suse.com/show_bug.cgi?id=1218832
• https://bugzilla.suse.com/show_bug.cgi?id=1218836
• https://bugzilla.suse.com/show_bug.cgi?id=1219053
• https://bugzilla.suse.com/show_bug.cgi?id=1219120
• https://bugzilla.suse.com/show_bug.cgi?id=1219412
• https://bugzilla.suse.com/show_bug.cgi?id=1219434