Red Hat Security Advisory 2015-1643-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. It was found that the Linux kernel's ping socket implementation did not properly handle socket unhashing during spurious disconnects, which could lead to a use-after-free flaw. On x86-64 architecture systems, a local user able to create ping sockets could use this flaw to crash the system. On non-x86-64 architecture systems, a local user able to create ping sockets could use this flaw to escalate their privileges on the system.
64b56961b11e579c77442a474bfb4e67749b8e972a2bad820f0435bd349ea30cRed Hat Security Advisory 2015-1583-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. It was found that the Linux kernel's ping socket implementation did not properly handle socket unhashing during spurious disconnects, which could lead to a use-after-free flaw. On x86-64 architecture systems, a local user able to create ping sockets could use this flaw to crash the system. On non-x86-64 architecture systems, a local user able to create ping sockets could use this flaw to escalate their privileges on the system.
0432e0fe802370f2c71c251d54b8fcf57755cceb2d0f1a7bcfd68793d70485c0Red Hat Security Advisory 2015-1564-01 - The kernel-rt packages contain the Linux kernel, the core of any Linux operating system. An integer overflow flaw was found in the way the Linux kernel's netfilter connection tracking implementation loaded extensions. An attacker on a local network could potentially send a sequence of specially crafted packets that would initiate the loading of a large number of extensions, causing the targeted system in that network to crash. It was found that the Linux kernel's ping socket implementation did not properly handle socket unhashing during spurious disconnects, which could lead to a use-after-free flaw. On x86-64 architecture systems, a local user able to create ping sockets could use this flaw to crash the system. On non-x86-64 architecture systems, a local user able to create ping sockets could use this flaw to escalate their privileges on the system.
40ede30d6e6cf20dbab081504c2f5e114b04769bab17677d0d0c97032009daf2Red Hat Security Advisory 2015-1565-01 - The kernel-rt packages contain the Linux kernel, the core of any Linux operating system. An integer overflow flaw was found in the way the Linux kernel's netfilter connection tracking implementation loaded extensions. An attacker on a local network could potentially send a sequence of specially crafted packets that would initiate the loading of a large number of extensions, causing the targeted system in that network to crash. A stack-based buffer overflow flaw was found in the Linux kernel's early load microcode functionality. On a system with UEFI Secure Boot enabled, a local, privileged user could use this flaw to increase their privileges to the kernel level, bypassing intended restrictions in place.
179873d3f9002fb4db51e8b9c22ef1d4b5cb4592c64af9a8c4b6b95906ef2a19Red Hat Security Advisory 2015-1534-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. An integer overflow flaw was found in the way the Linux kernel's netfilter connection tracking implementation loaded extensions. An attacker on a local network could potentially send a sequence of specially crafted packets that would initiate the loading of a large number of extensions, causing the targeted system in that network to crash. A stack-based buffer overflow flaw was found in the Linux kernel's early load microcode functionality. On a system with UEFI Secure Boot enabled, a local, privileged user could use this flaw to increase their privileges to the kernel level, bypassing intended restrictions in place.
048d2d5cc4c394bfaaa95fb119f66f3f8d4896e9a5488b77527d6292a1ab8197Red Hat Security Advisory 2015-1221-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A NULL pointer dereference flaw was found in the way the Linux kernel's virtual console implementation handled reference counting when accessing pseudo-terminal device files. A local, unprivileged attacker could use this flaw to crash the system. It was found that the Linux kernel's ping socket implementation did not properly handle socket unhashing during spurious disconnects, which could lead to a use-after-free flaw. On x86-64 architecture systems, a local user able to create ping sockets could use this flaw to crash the system. On non-x86-64 architecture systems, a local user able to create ping sockets could use this flaw to escalate their privileges on the system.
8394d513775323a5411dce831989986059917715783fc2505ddab157a8940038Debian Linux Security Advisory 3290-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service, information leaks or data corruption.
0fbb263c4d3f8891b1c58ec40a1bf47156f434e76c2141d84c6407ec9eb0c713Ubuntu Security Notice 2638-1 - Xiong Zhou discovered a bug in the way the EXT4 filesystem handles fallocate zero range functionality when the page size is greater than the block size. A local attacker could exploit this flaw to cause a denial of service (system crash). Wen Xu discovered a use-after-free flaw in the Linux kernel's ipv4 ping support. A local user could exploit this flaw to cause a denial of service (system crash) or gain administrative privileges on the system. Various other issues were also addressed.
6942662bbc2cf4e39a28196fa2be2e88a0c52615e70e44cc00752fd789290733Ubuntu Security Notice 2633-1 - Wen Xu discovered a use-after-free flaw in the Linux kernel's ipv4 ping support. A local user could exploit this flaw to cause a denial of service (system crash) or gain administrative privileges on the system. A memory corruption flaw was discovered in the Linux kernel's scsi subsystem. A local attacker could potentially exploit this flaw to cause a denial of service (system crash). Various other issues were also addressed.
94a979aa18d5d19f77e0fd9139085db8fede248b5ca99633d3dd5e43fb0d843cUbuntu Security Notice 2637-1 - Xiong Zhou discovered a bug in the way the EXT4 filesystem handles fallocate zero range functionality when the page size is greater than the block size. A local attacker could exploit this flaw to cause a denial of service (system crash). Wen Xu discovered a use-after-free flaw in the Linux kernel's ipv4 ping support. A local user could exploit this flaw to cause a denial of service (system crash) or gain administrative privileges on the system. Various other issues were also addressed.
4e1e1f887e80da6543fabb8678249142a514c1579b76e665fb11950144e98f67Ubuntu Security Notice 2635-1 - Xiong Zhou discovered a bug in the way the EXT4 filesystem handles fallocate zero range functionality when the page size is greater than the block size. A local attacker could exploit this flaw to cause a denial of service (system crash). Wen Xu discovered a use-after-free flaw in the Linux kernel's ipv4 ping support. A local user could exploit this flaw to cause a denial of service (system crash) or gain administrative privileges on the system. Various other issues were also addressed.
8eb3f8978ff14d623d6e1288082230f137fbcf13c00e7e4162587e2623df9b8fUbuntu Security Notice 2634-1 - Wen Xu discovered a use-after-free flaw in the Linux kernel's ipv4 ping support. A local user could exploit this flaw to cause a denial of service (system crash) or gain administrative privileges on the system. A memory corruption flaw was discovered in the Linux kernel's scsi subsystem. A local attacker could potentially exploit this flaw to cause a denial of service (system crash). Various other issues were also addressed.
21a8fca232d6d70cebc3cfa7f141aba457f6c73dbbdf9dd206b248bfe0e4c097Ubuntu Security Notice 2632-1 - Jan Beulich discovered the Xen virtual machine subsystem of the Linux kernel did not properly restrict access to PCI command registers. A local guest user could exploit this flaw to cause a denial of service (host crash). A privilege escalation was discovered in the fork syscall via the int80 entry on 64 bit kernels with 32 bit emulation support. An unprivileged local attacker could exploit this flaw to increase their privileges on the system. Various other issues were also addressed.
3ebb55213318d601853a12f0808728a6b4ce09f74d102780213ab5e5f49f8627Ubuntu Security Notice 2631-1 - Jan Beulich discovered the Xen virtual machine subsystem of the Linux kernel did not properly restrict access to PCI command registers. A local guest user could exploit this flaw to cause a denial of service (host crash). A privilege escalation was discovered in the fork syscall via the int80 entry on 64 bit kernels with 32 bit emulation support. An unprivileged local attacker could exploit this flaw to increase their privileges on the system. Various other issues were also addressed.
dcf2ecac03d8b8b31c3d14dee7a678bcbea7092733daae8ed72b7b8b585b517fUbuntu Security Notice 2636-1 - Xiong Zhou discovered a bug in the way the EXT4 filesystem handles fallocate zero range functionality when the page size is greater than the block size. A local attacker could exploit this flaw to cause a denial of service (system crash). Wen Xu discovered a use-after-free flaw in the Linux kernel's ipv4 ping support. A local user could exploit this flaw to cause a denial of service (system crash) or gain administrative privileges on the system. Various other issues were also addressed.
3be06843caf5c63588549fe3a96b94810645e9d0efc26779131f51e2c0c64f64
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