Ubuntu Security Notice 2049-1 - Miroslav Vadkerti discovered a flaw in how the permissions for network sysctls are handled in the Linux kernel. An unprivileged local user could exploit this flaw to have privileged access to files in /proc/sys/net/. A flaw was discovered in the Linux kernel's dm snapshot facility. A remote authenticated user could exploit this flaw to obtain sensitive information or modify/corrupt data. Various other issues were also addressed.
5f701e0e3991e00d556fe8c036cde5af0ea754679c09eefb7bdf25b931207b4cUbuntu Security Notice 2050-1 - An information leak was discovered in the handling of ICMPv6 Router Advertisement (RA) messages in the Linux kernel's IPv6 network stack. A remote attacker could exploit this flaw to cause a denial of service (excessive retries and address-generation outage), and consequently obtain sensitive information. Dan Carpenter discovered an information leak in the HP Smart Array and Compaq SMART2 disk-array driver in the Linux kernel. A local user could exploit this flaw to obtain sensitive information from kernel memory. Various other issues were also addressed.
8821a1515b5d3a83f986d1b491a7a02d59ae5030a01c256ab95e438a8e7d158aUbuntu Security Notice 2045-1 - A flaw was discovered in the Linux kernel's dm snapshot facility. A remote authenticated user could exploit this flaw to obtain sensitive information or modify/corrupt data. Alan Chester reported a flaw in the IPv6 Stream Control Transmission Protocol (SCTP) of the Linux kernel. A remote attacker could exploit this flaw to obtain sensitive information by sniffing network traffic. Various other issues were also addressed.
3b955b65e166e4f2040ddfae69e3db1c541111a5278e26dcfcccccb48ee75ef0Ubuntu Security Notice 2041-1 - A flaw was discovered in the Linux kernel's dm snapshot facility. A remote authenticated user could exploit this flaw to obtain sensitive information or modify/corrupt data. Alan Chester reported a flaw in the IPv6 Stream Control Transmission Protocol (SCTP) of the Linux kernel. A remote attacker could exploit this flaw to obtain sensitive information by sniffing network traffic. Various other issues were also addressed.
d708abcfe877ba032773445e0511dc17378d60f8162e15d09f02b5c5b9158421Ubuntu Security Notice 2039-1 - An information leak was discovered in the handling of ICMPv6 Router Advertisement (RA) messages in the Linux kernel's IPv6 network stack. A remote attacker could exploit this flaw to cause a denial of service (excessive retries and address-generation outage), and consequently obtain sensitive information. A flaw was discovered in the Xen subsystem of the Linux kernel when it provides read-only access to a disk that supports TRIM or SCSI UNMAP to a guest OS. A privileged user in the guest OS could exploit this flaw to destroy data on the disk, even though the guest OS should not be able to write to the disk. Various other issues were also addressed.
d666179f4eca9accee08ccabed80dc0946e2c6fc975772befbf68c62fbea426dUbuntu Security Notice 2038-1 - An information leak was discovered in the handling of ICMPv6 Router Advertisement (RA) messages in the Linux kernel's IPv6 network stack. A remote attacker could exploit this flaw to cause a denial of service (excessive retries and address-generation outage), and consequently obtain sensitive information. A flaw was discovered in the Xen subsystem of the Linux kernel when it provides read-only access to a disk that supports TRIM or SCSI UNMAP to a guest OS. A privileged user in the guest OS could exploit this flaw to destroy data on the disk, even though the guest OS should not be able to write to the disk. Various other issues were also addressed.
8672520ae920f177437eb9025de7403e71472862cc712f76f38682792e48acfcUbuntu Security Notice 2024-1 - An information leak was discovered in the handling of ICMPv6 Router Advertisement (RA) messages in the Linux kernel's IPv6 network stack. A remote attacker could exploit this flaw to cause a denial of service (excessive retries and address-generation outage), and consequently obtain sensitive information. Kees Cook discovered flaw in the Human Interface Device (HID) subsystem of the Linux kernel. A physically proximate attacker could exploit this flaw to execute arbitrary code or cause a denial of service (heap memory corruption) via a specially crafted device that provides an invalid Report ID. Various other issues were also addressed.
295703ff6d475041ac7bb2652502b1f90ed3e506351b58c3554f5438c9bf2c1cUbuntu Security Notice 2022-1 - An information leak was discovered in the handling of ICMPv6 Router Advertisement (RA) messages in the Linux kernel's IPv6 network stack. A remote attacker could exploit this flaw to cause a denial of service (excessive retries and address-generation outage), and consequently obtain sensitive information. Kees Cook discovered flaw in the Human Interface Device (HID) subsystem of the Linux kernel. A physically proximate attacker could exploit this flaw to execute arbitrary code or cause a denial of service (heap memory corruption) via a specially crafted device that provides an invalid Report ID. Various other issues were also addressed.
3b65c0f31ea250ae78ab872e05ac0341612af3239cd3a17b8641df50842f91e6Ubuntu Security Notice 2021-1 - An information leak was discovered in the handling of ICMPv6 Router Advertisement (RA) messages in the Linux kernel's IPv6 network stack. A remote attacker could exploit this flaw to cause a denial of service (excessive retries and address-generation outage), and consequently obtain sensitive information. Kees Cook discovered flaw in the Human Interface Device (HID) subsystem of the Linux kernel. A physically proximate attacker could exploit this flaw to execute arbitrary code or cause a denial of service (heap memory corruption) via a specially crafted device that provides an invalid Report ID. Various other issues were also addressed.
33a07a511605b99a1b5ead980b6ca45b27cb48ab8e683d9251c6e2e7d9ca892aUbuntu Security Notice 2019-1 - An information leak was discovered in the handling of ICMPv6 Router Advertisement (RA) messages in the Linux kernel's IPv6 network stack. A remote attacker could exploit this flaw to cause a denial of service (excessive retries and address-generation outage), and consequently obtain sensitive information. Kees Cook discovered flaw in the Human Interface Device (HID) subsystem of the Linux kernel. A physically proximate attacker could exploit this flaw to execute arbitrary code or cause a denial of service (heap memory corruption) via a specially crafted device that provides an invalid Report ID. Various other issues were also addressed.
6c2a33cae01358a56b7dff9a2c615b9b8078930f6d9313c483be54e61809e22eMandriva Linux Security Advisory 2013-265 - Multiple vulnerabilities has been found and corrected in the Linux kernel. The ipc_rcu_putref function in ipc/util.c in the Linux kernel before 3.10 does not properly manage a reference count, which allows local users to cause a denial of service via a crafted application. The skb_flow_dissect function in net/core/flow_dissector.c in the Linux kernel through 3.12 allows remote attackers to cause a denial of service via a small value in the IHL field of a packet with IPIP encapsulation. Various other issues have also been addressed.
e2830471bcc8e7e6df1c6e5b34dfd41726e01285869d01bb9ed74386acc56eddRed Hat Security Advisory 2013-1490-01 - The kernel-rt packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way IP packets with an Internet Header Length of zero were processed in the skb_flow_dissect() function in the Linux kernel. A remote attacker could use this flaw to trigger an infinite loop in the kernel, leading to a denial of service. A flaw was found in the way the Linux kernel's IPv6 implementation handled certain UDP packets when the UDP Fragmentation Offload feature was enabled. A remote attacker could use this flaw to crash the system or, potentially, escalate their privileges on the system.
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