CVE-2018-14614
An issue was discovered in the Linux kernel through 4.17.10. There is an out-of-bounds access in __remove_dirty_segment() in fs/f2fs/segment.c when mounting an f2fs image.
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Veröffentlicht Aktualisiert
PatchFirst · Aktuelle Sicherheitslücken
Sicherheitslücken in linux-azure · Seite 23
In den letzten 30 Tagen veröffentlichte Sicherheitslücken für linux-azure: 0. Davon im KEV-Katalog: 0.
Sicherheitslücken: 630
CVE-2018-14613
An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in io_ctl_map_page() when mounting and operating a crafted btrfs image, because of a lack of block group item validation in check_leaf_item in fs/btrfs/tree-checker.c.
- Auf 4.15.0-1055.60 aktualisieren
Veröffentlicht AktualisiertCVE-2018-14612
An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in btrfs_root_node() when mounting a crafted btrfs image, because of a lack of chunk block group mapping validation in btrfs_read_block_groups in fs/btrfs/extent-tree.c, and a lack of empty-tree checks in check_leaf in fs/btrfs/tree-checker.c.
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Veröffentlicht AktualisiertCVE-2018-14611
An issue was discovered in the Linux kernel through 4.17.10. There is a use-after-free in try_merge_free_space() when mounting a crafted btrfs image, because of a lack of chunk type flag checks in btrfs_check_chunk_valid in fs/btrfs/volumes.c.
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Veröffentlicht AktualisiertCVE-2018-14610
An issue was discovered in the Linux kernel through 4.17.10. There is out-of-bounds access in write_extent_buffer() when mounting and operating a crafted btrfs image, because of a lack of verification that each block group has a corresponding chunk at mount time, within btrfs_read_block_groups in fs/btrfs/extent-tree.c.
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Veröffentlicht AktualisiertCVE-2018-14609
An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in __del_reloc_root() in fs/btrfs/relocation.c when mounting a crafted btrfs image, related to removing reloc rb_trees when reloc control has not been initialized.
- Auf 4.15.0-1055.60 aktualisieren
Veröffentlicht AktualisiertCVE-2017-18344
The timer_create syscall implementation in kernel/time/posix-timers.c in the Linux kernel before 4.14.8 doesn't properly validate the sigevent->sigev_notify field, which leads to out-of-bounds access in the show_timer function (called when /proc/$PID/timers is read). This allows userspace applications to read arbitrary kernel memory (on a kernel built with CONFIG_POSIX_TIMERS and CONFIG_CHECKPOINT_RESTORE).
- Auf 4.15.0-1013.13~16.04.2 aktualisieren
Veröffentlicht AktualisiertCVE-2018-10881
A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bound access in ext4_get_group_info function, a denial of service, and a system crash by mounting and operating on a crafted ext4 filesystem image.
- Auf 4.15.0-1022.22~16.04.1 aktualisieren
Veröffentlicht AktualisiertCVE-2018-10879
A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause a use-after-free in ext4_xattr_set_entry function and a denial of service or unspecified other impact may occur by renaming a file in a crafted ext4 filesystem image.
- Auf 4.15.0-1037.39~16.04.1 aktualisieren
Veröffentlicht AktualisiertCVE-2018-10878
A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bounds write and a denial of service or unspecified other impact is possible by mounting and operating a crafted ext4 filesystem image.
- Auf 4.15.0-1037.39~16.04.1 aktualisieren
Veröffentlicht AktualisiertCVE-2018-10876
A flaw was found in Linux kernel in the ext4 filesystem code. A use-after-free is possible in ext4_ext_remove_space() function when mounting and operating a crafted ext4 image.
- Auf 4.15.0-1037.39~16.04.1 aktualisieren
Veröffentlicht AktualisiertCVE-2017-7558
A kernel data leak due to an out-of-bound read was found in the Linux kernel in inet_diag_msg_sctp{,l}addr_fill() and sctp_get_sctp_info() functions present since version 4.7-rc1 through version 4.13. A data leak happens when these functions fill in sockaddr data structures used to export socket's diagnostic information. As a result, up to 100 bytes of the slab data could be leaked to a userspace.
- Auf 4.13.0-1005.7 aktualisieren
Veröffentlicht AktualisiertCVE-2018-10880
Linux kernel is vulnerable to a stack-out-of-bounds write in the ext4 filesystem code when mounting and writing to a crafted ext4 image in ext4_update_inline_data(). An attacker could use this to cause a system crash and a denial of service.
- Auf 4.15.0-1037.39~16.04.1 aktualisieren
Veröffentlicht Aktualisiertlinux-hwe, linux-azure, linux-gcp regression
USN-3695-2 fixed vulnerabilities in the Linux Hardware Enablement Kernel (HWE) kernel for Ubuntu 16.04 LTS. Unfortunately, the fix for CVE-2018-1108 introduced a regression where insufficient early entropy prevented services from starting, leading in some situations to a failure to boot, This update addresses the issue. We apologize for the inconvenience. Original advisory details: Jann Horn discovered that the Linux kernel's implementation of random seed data reported that it was in a ready state before it had gathered sufficient entropy. An attacker could use this to expose sensitive information. (CVE-2018-1108) Wen Xu discovered t
- Auf 4.15.0-1018.18~16.04.1 aktualisieren
Veröffentlicht AktualisiertCVE-2018-10877
Linux kernel ext4 filesystem is vulnerable to an out-of-bound access in the ext4_ext_drop_refs() function when operating on a crafted ext4 filesystem image.
- Auf 4.15.0-1037.39~16.04.1 aktualisieren
Veröffentlicht AktualisiertCVE-2018-10840
Linux kernel is vulnerable to a heap-based buffer overflow in the fs/ext4/xattr.c:ext4_xattr_set_entry() function. An attacker could exploit this by operating on a mounted crafted ext4 image.
- Auf 4.15.0-1022.22~16.04.1 aktualisieren
Veröffentlicht AktualisiertCVE-2018-3693
Systems with microprocessors utilizing speculative execution and branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a speculative buffer overflow and side-channel analysis.
- Auf 4.15.0-1013.13~16.04.2 aktualisieren
Veröffentlicht AktualisiertCVE-2018-13406
An integer overflow in the uvesafb_setcmap function in drivers/video/fbdev/uvesafb.c in the Linux kernel before 4.17.4 could result in local attackers being able to crash the kernel or potentially elevate privileges because kmalloc_array is not used.
- Auf 4.15.0-1022.22~16.04.1 aktualisieren
Veröffentlicht AktualisiertCVE-2018-13405
The inode_init_owner function in fs/inode.c in the Linux kernel through 3.16 allows local users to create files with an unintended group ownership, in a scenario where a directory is SGID to a certain group and is writable by a user who is not a member of that group. Here, the non-member can trigger creation of a plain file whose group ownership is that group. The intended behavior was that the non-member can trigger creation of a directory (but not a plain file) whose group ownership is that group. The non-member can escalate privileges by making the plain file executable and SGID.
- Auf 4.15.0-1022.22~16.04.1 aktualisieren
Veröffentlicht AktualisiertCVE-2018-13100
An issue was discovered in fs/f2fs/super.c in the Linux kernel through 4.17.3, which does not properly validate secs_per_zone in a corrupted f2fs image, as demonstrated by a divide-by-zero error.
- Auf 4.15.0-1055.60 aktualisieren
Veröffentlicht Aktualisiert
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