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Mageia 7: MGASA-2020-0036 Critical: Kernel Buffer Overflow Issue

This update is based on upstream 5.4.10 and fixes atleast the following security issues: ext4_empty_dir in fs/ext4/namei.c in the Linux kernel through 5.3.12 allows a NULL pointer dereference because ext4_read_dirblock(inode,0,DIRENT_HTREE) . MGASA-2020-0036 - Updated kernel packages fix security vulnerability Publication date: 13 Jan 2020 URL: https://advisories.mageia.org/MGASA-2020-0036.html Type: security Affected Mageia releases: 7 CVE: CVE-2019-19037 This update is based on upstream 5.4.10 and fixes atleast the following security issues: ext4_empty_dir in fs/ext4/namei.c in the Linux kernel through 5.3.12 allows a NULL pointer dereference because ext4_read_dirblock(inode,0,DIRENT_HTREE) can be zero. (CVE-2019-19037) It also fixes various potential security issues related to buffer overflows, double frees, NUll pointer dereferences, improper / missing input validations and so on. Other fixes added in this update: - Revert 'drm/amdgpu: Set no-retry as default.', fixing amdgpu hang on Raven Ridge gpus (mga#25882) - drm/i915/gt: Detect if we miss WaIdleLiteRestore, fixes or atleast works around gpu hang (mga#25930) - 3rdparty/rtl8812au: update to v5.6.4.2 (mga#25982) - add support for RTL8117 ethernet - rtl8xxxu: Add support for Edimax EW-7611ULB - mountpoint_last(): fix the treatment of LAST_BIND - HID: intel-ish-hid: ipc: Add Comet Lake H PCI device ID - HID: intel-ish-hid: ipc: Add Tiger Lake PCI device ID - HID: wacom: Recognize new MobileStudio Pro PID - updates to the arm64 defconfigs: - Enable some EFI stuff on arm64 (mga#26003) - Enable a lot of missing things on arm64 kernels (including ACPI and Amazon network driver) - Disable debug info on arm64 (mga#26015) - reduce difference between arm64 and x86_64 defconfigs WireGuard kernel module has been updated to 0.0.20200105 and the tools has been updated to 1.0.20200102. For other fixes in this update, see the referenced changelogs. References: - https://bugs.mageia.org/show_bug.cgi?id=26049 -https://bugs.mageia.org/show_bug.cgi?id=25882 - https://bugs.mageia.org/show_bug.cgi?id=25930 - https://bugs.mageia.org/show_bug.cgi?id=25982 - https://bugs.mageia.org/show_bug.cgi?id=26003 - https://bugs.mageia.org/show_bug.cgi?id=26015 - https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.7 - https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.8 - https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.9 - https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.10 - https://www.cve.org/CVERecord?id=CVE-2019-19037 SRPMS: - 7/core/kernel-5.4.10-1.mga7 - 7/core/kmod-virtualbox-6.0.14-18.mga7 - 7/core/kmod-xtables-addons-3.7-8.mga7 - 7/core/wireguard-tools-1.0.20200102-1.mga7 . Mageia 2020-0042 enhances the kernel to mitigate critical vulnerabilities, such as buffer overflow and additional concerns.. Kernel Security Update, Mageia Advisory, Buffer Overflow Fix. . Severity: Critical. LinuxSecurity.com Team

Jan 13, 2020 •Critical Mageia