SUSE: 2024:0112-1 important: the Linux Kernel
Summary
## The SUSE Linux Enterprise 11 SP4 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: * CVE-2020-26555: Fixed Bluetooth legacy BR/EDR PIN code pairing in Bluetooth Core Specification 1.0B that may permit an unauthenticated nearby device to spoof the BD_ADDR of the peer device to complete pairing without knowledge of the PIN (bsc#1179610 bsc#1215237). * CVE-2022-45887: Fixed a memory leak in ttusb_dec.c caused by the lack of a dvb_frontend_detach call (bsc#1205762). * CVE-2023-1206: Fixed a hash collision flaw in the IPv6 connection lookup table which could be exploited by network adjacent attackers, increasing CPU usage by 95% (bsc#1212703). * CVE-2023-31085: Fixed a divide-by-zero error in do_div(sz,mtd->erasesize) that could cause a local DoS (bsc#1210778). * CVE-2023-3111: Fixed a use-after-free vulnerability in prepare_to_relocate in fs/btrfs/relocation.c (bsc#1212051). * CVE-2023-39189: Fixed a flaw in the Netfilter subsystem that could allow a local privileged (CAP_NET_ADMIN) attacker to trigger an out-of-bounds read, leading to a crash or information disclosure (bsc#1216046). * CVE-2023-39192: Fixed an out of bounds read in the netfilter (bsc#1215858). * CVE-2023-39193: Fixed an out of bounds read in the xtables subsystem (bsc#1215860). * CVE-2023-39197: Fixed a out-of-bounds read in nf_conntrack_dccp_packet() (bsc#1216976). * CVE-2023-45863: Fixed a out-of-bounds write in fill_kobj_path() (bsc#1216058). * CVE-2023-51779: Fixed a use-after-free because of a bt_sock_ioctl race condition in bt_sock_recvmsg (bsc#1218559). * CVE-2023-6606: Fixed an out of bounds read in the SMB client when receiving a malformed length from a server (bsc#1217947). * CVE-2023-6932: Fixed a use-after-free vulnerability in the Linux kernel's ipv4: igmp component that could lead to local privilege escalation (bsc#1218253).
References
* bsc#1179610
* bsc#1205762
* bsc#1210778
* bsc#1212051
* bsc#1212703
* bsc#1215237
* bsc#1215858
* bsc#1215860
* bsc#1216046
* bsc#1216058
* bsc#1216976
* bsc#1217947
* bsc#1218253
* bsc#1218559
Cross-
* CVE-2020-26555
* CVE-2022-45887
* CVE-2023-1206
* CVE-2023-31085
* CVE-2023-3111
* CVE-2023-39189
* CVE-2023-39192
* CVE-2023-39193
* CVE-2023-39197
* CVE-2023-45863
* CVE-2023-51779
* CVE-2023-6606
* CVE-2023-6932
CVSS scores:
* CVE-2020-26555 ( SUSE ): 5.4 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
* CVE-2020-26555 ( NVD ): 5.4 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
* CVE-2022-45887 ( SUSE ): 4.1 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
* CVE-2022-45887 ( NVD ): 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2023-1206 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2023-1206 ( NVD ): 5.7 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2023-31085 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2023-31085 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2023-3111 ( SUSE ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-3111 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-39189 ( SUSE ): 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
* CVE-2023-39189 ( NVD ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
* CVE-2023-39192 ( SUSE ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
* CVE-2023-39192 ( NVD ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
* CVE-2023-39193 ( SUSE ): 5.1 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:L
* CVE-2023-39193 ( NVD ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
* CVE-2023-39197 ( SUSE ): 4.0 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N
* CVE-2023-45863 ( SUSE ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-45863 ( NVD ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-51779 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-6606 ( SUSE ): 6.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
* CVE-2023-6606 ( NVD ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
* CVE-2023-6932 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-6932 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:
* SUSE Linux Enterprise Server 11 SP4
* SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE 11-SP4
An update that solves 13 vulnerabilities and has one security fix can now be
installed.
##
* https://www.suse.com/security/cve/CVE-2020-26555.html
* https://www.suse.com/security/cve/CVE-2022-45887.html
* https://www.suse.com/security/cve/CVE-2023-1206.html
* https://www.suse.com/security/cve/CVE-2023-31085.html
* https://www.suse.com/security/cve/CVE-2023-3111.html
* https://www.suse.com/security/cve/CVE-2023-39189.html
* https://www.suse.com/security/cve/CVE-2023-39192.html
* https://www.suse.com/security/cve/CVE-2023-39193.html
* https://www.suse.com/security/cve/CVE-2023-39197.html
* https://www.suse.com/security/cve/CVE-2023-45863.html
* https://www.suse.com/security/cve/CVE-2023-51779.html
* https://www.suse.com/security/cve/CVE-2023-6606.html
* https://www.suse.com/security/cve/CVE-2023-6932.html
* https://bugzilla.suse.com/show_bug.cgi?id=1179610
* https://bugzilla.suse.com/show_bug.cgi?id=1205762
* https://bugzilla.suse.com/show_bug.cgi?id=1210778
* https://bugzilla.suse.com/show_bug.cgi?id=1212051
* https://bugzilla.suse.com/show_bug.cgi?id=1212703
* https://bugzilla.suse.com/show_bug.cgi?id=1215237
* https://bugzilla.suse.com/show_bug.cgi?id=1215858
* https://bugzilla.suse.com/show_bug.cgi?id=1215860
* https://bugzilla.suse.com/show_bug.cgi?id=1216046
* https://bugzilla.suse.com/show_bug.cgi?id=1216058
* https://bugzilla.suse.com/show_bug.cgi?id=1216976
* https://bugzilla.suse.com/show_bug.cgi?id=1217947
* https://bugzilla.suse.com/show_bug.cgi?id=1218253
* https://bugzilla.suse.com/show_bug.cgi?id=1218559