SB2015113010 - Ubuntu update for linux-lts-backport-oneiric
Published: November 30, 2015 Updated: October 31, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 15 vulnerabilities.
1) Configuration (CVE-ID: CVE-2012-0957)
CWE-ID: CWE-16 - Configuration
CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
The override_release function in kernel/sys.c in the Linux kernel before 3.4.16 allows local users to obtain sensitive information from kernel stack memory via a uname system call in conjunction with a UNAME26 personality.
2) Input validation error (CVE-ID: CVE-2012-4565)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The tcp_illinois_info function in net/ipv4/tcp_illinois.c in the Linux kernel before 3.4.19, when the net.ipv4.tcp_congestion_control illinois setting is enabled, allows local users to cause a denial of service (divide-by-zero error and OOPS) by reading TCP stats.
3) Information disclosure (CVE-ID: CVE-2012-6536)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
net/xfrm/xfrm_user.c in the Linux kernel before 3.6 does not verify that the actual Netlink message length is consistent with a certain header field, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability and providing a (1) new or (2) updated state.
4) Information exposure (CVE-ID: CVE-2012-6537)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to information exposure error within the copy_to_user_tmpl() function in net/xfrm/xfrm_user.c. A local user can gain access to sensitive information.
5) Information exposure (CVE-ID: CVE-2012-6538)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to information exposure error within the copy_to_user_auth() function in net/xfrm/xfrm_user.c. A local user can gain access to sensitive information.
6) Information disclosure (CVE-ID: CVE-2012-6539)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
The dev_ifconf function in net/socket.c in the Linux kernel before 3.6 does not initialize a certain structure, which allows local users to obtain sensitive information from kernel stack memory via a crafted application.
7) Information disclosure (CVE-ID: CVE-2012-6540)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
The do_ip_vs_get_ctl function in net/netfilter/ipvs/ip_vs_ctl.c in the Linux kernel before 3.6 does not initialize a certain structure for IP_VS_SO_GET_TIMEOUT commands, which allows local users to obtain sensitive information from kernel stack memory via a crafted application.
8) Information disclosure (CVE-ID: CVE-2012-6541)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
The ccid3_hc_tx_getsockopt function in net/dccp/ccids/ccid3.c in the Linux kernel before 3.6 does not initialize a certain structure, which allows local users to obtain sensitive information from kernel stack memory via a crafted application.
9) Information exposure (CVE-ID: CVE-2012-6542)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to information exposure error within the llc_ui_getname() function in net/llc/af_llc.c. A local user can gain access to sensitive information.
10) Information exposure (CVE-ID: CVE-2012-6544)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to information exposure error within the hci_sock_getname() function in net/bluetooth/hci_sock.c. A local user can gain access to sensitive information.
11) Information exposure (CVE-ID: CVE-2012-6545)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to information exposure error within the rfcomm_sock_getname() function in net/bluetooth/rfcomm/sock.c. A local user can gain access to sensitive information.
12) Information exposure (CVE-ID: CVE-2012-6546)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to information exposure error within the pvc_getname() function in net/atm/pvc.c. A local user can gain access to sensitive information.
13) Memory corruption (CVE-ID: CVE-2013-0309)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption error. A local user can perform a denial of service (DoS) attack.
14) NULL pointer dereference (CVE-ID: CVE-2013-1826)
CWE-ID: CWE-476 - NULL Pointer Dereference
CVSSv4: 7.5 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in net/xfrm/xfrm_user.c in the Linux kernel before 3.5.7 does not properly handle error conditions in dump_one_state function calls, which allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) by leveraging the CAP_NET_ADMIN capability. Per https://bugzilla.redhat.com/show_bug.cgi?id=919384 "This issue affects the version of Linux kernel as shipped with Red Hat Enterprise Linux 5 and Red Hat Enterprise Linux 6. Future kernel updates for Red Hat Enterprise Linux 5 and Red Hat Enterprise Linux 6 may address this issue." Per: http://cwe.mitre.org/data/definitions/476. A remote attacker can perform a denial of service (DoS) attack.
15) Information exposure (CVE-ID: CVE-2013-1928)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to information exposure error. A local user can gain access to sensitive information.
Remediation
Install update from vendor's website.