Red Hat Security Advisory 2012-1580-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. It was found that the RHSA-2012:0862 update did not correctly fix the CVE-2011-4131 issue. A malicious Network File System version 4 server could return a crafted reply to a GETACL request, causing a denial of service on the client. A divide-by-zero flaw was found in the TCP Illinois congestion control algorithm implementation in the Linux kernel. If the TCP Illinois congestion control algorithm were in use, a local, unprivileged user could trigger this flaw and cause a denial of service.
957596f7bcdc61679ba3f425db589377b65fa466ef93391d0d3a1cc7386991f1Red Hat Security Advisory 2012-1445-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. It was found that the RHSA-2010:0178 update did not correctly fix the CVE-2009-4307 issue, a divide-by-zero flaw in the ext4 file system code. A local, unprivileged user with the ability to mount an ext4 file system could use this flaw to cause a denial of service. This update also fixes several bugs.
3c254f1449cdb66cbbceca5dbbc00aca97fc1eb8da9edf6e8a13d83f29570d7fUbuntu Security Notice 1458-1 - A flaw was found in the Linux's kernels ext4 file system when mounted with a journal. A local, unprivileged user could exploit this flaw to cause a denial of service. A flaw was discovered in the Linux kernel's cifs file system. An unprivileged local user could exploit this flaw to crash the system leading to a denial of service. H. Peter Anvin reported a flaw in the Linux kernel that could crash the system. A local user could exploit this flaw to crash the system. Various other issues were also addressed.
351dbb8a5b12503c42271509730cb86bad79aba2f4a02c0d7863862d1499e767Ubuntu Security Notice 1440-1 - A flaw was found in the Linux's kernels ext4 file system when mounted with a journal. A local, unprivileged user could exploit this flaw to cause a denial of service. Sasha Levin discovered a flaw in the permission checking for device assignments requested via the kvm ioctl in the Linux kernel. A local user could use this flaw to crash the system causing a denial of service. Various other issues were also addressed.
a0bc278da385b31cfe46ccd1ea6aa31d7dd04bed4a06bb0e7207f3a236fdd376Ubuntu Security Notice 1432-1 - A flaw was found in the Linux's kernels ext4 file system when mounted with a journal. A local, unprivileged user could exploit this flaw to cause a denial of service. A flaw was discovered in the Linux kernel's cifs file system. An unprivileged local user could exploit this flaw to crash the system leading to a denial of service. A flaw was found in the Linux kernel's ext4 file system when mounting a corrupt filesystem. A user-assisted remote attacker could exploit this flaw to cause a denial of service. Various other issues were also addressed.
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