Red Hat Security AdvisoryRHSA-2017:2669
kernel-rt security and bug fix update
Released 2017-09-06 · Red Hat rating Important · View on Red Hat →
Fixes 25 records
Priority MEDIUM 45
The NFSv4 server in the Linux kernel before 4.11.3 does not properly validate the layout type when processing the NFSv4 pNFS GETDEVICEINFO or LAYOUTGET operand in a UDP packet from a remote attacker.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.09483 · Published 2017-07-02 · Partial fix CWE-129
Priority LOW 39
The ipv4_pktinfo_prepare function in net/ipv4/ip_sockglue.c in the Linux kernel through 4.9.9 allows attackers to cause a denial of service (system crash) via (1) an application that makes crafted system calls or possibl…
CVSS 3.0HIGH 7.5· Network · No auth · No interaction · EPSS 0.03915 · Published 2017-02-14 · Fixed CWE-476
Priority LOW 37
The inet_csk_clone_lock function in net/ipv4/inet_connection_sock.c in the Linux kernel through 4.10.15 allows attackers to cause a denial of service (double free) or possibly have unspecified other impact by leveraging…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.01422 · Published 2017-05-10 · Partial fix CWE-415
Priority LOW 35
The tcp_v6_syn_recv_sock function in net/ipv6/tcp_ipv6.c in the Linux kernel through 4.11.1 mishandles inheritance, which allows local users to cause a denial of service or possibly have unspecified other impact via craf…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00724 · Published 2017-05-19 · Partial fix
Priority LOW 34
The dccp_v6_request_recv_sock function in net/dccp/ipv6.c in the Linux kernel through 4.11.1 mishandles inheritance, which allows local users to cause a denial of service or possibly have unspecified other impact via cra…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00366 · Published 2017-05-19 · Partial fix
Priority LOW 34
The sctp_v6_create_accept_sk function in net/sctp/ipv6.c in the Linux kernel through 4.11.1 mishandles inheritance, which allows local users to cause a denial of service or possibly have unspecified other impact via craf…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.0038 · Published 2017-05-19 · Partial fix
Priority LOW 34
The IPv6 fragmentation implementation in the Linux kernel through 4.11.1 does not consider that the nexthdr field may be associated with an invalid option, which allows local users to cause a denial of service (out-of-bo…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00419 · Published 2017-05-19 · Partial fix CWE-125
Priority LOW 34
The mm subsystem in the Linux kernel through 3.2 does not properly enforce the CONFIG_STRICT_DEVMEM protection mechanism, which allows local users to read or write to kernel memory locations in the first megabyte (and by…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.0032 · Published 2017-04-17 · Partial fix CWE-732
Priority LOW 34
The sg_ioctl function in drivers/scsi/sg.c in the Linux kernel through 4.10.4 allows local users to cause a denial of service (stack-based buffer overflow) or possibly have unspecified other impact via a large command si…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00414 · Published 2017-03-20 · Fixed CWE-119
Priority LOW 34
Race condition in kernel/events/core.c in the Linux kernel before 4.9.7 allows local users to gain privileges via a crafted application that makes concurrent perf_event_open system calls for moving a software group into…
CVSS 3.1HIGH 7.0· Local · No auth · User interaction · EPSS 0.01674 · Published 2017-02-18 · Fixed CWE-362
Priority LOW 34
Race condition in the netlink_dump function in net/netlink/af_netlink.c in the Linux kernel before 4.6.3 allows local users to cause a denial of service (double free) or possibly have unspecified other impact via a craft…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00368 · Published 2016-12-28 · Fixed CWE-362
Priority LOW 34
The blk_rq_map_user_iov function in block/blk-map.c in the Linux kernel before 4.8.14 does not properly restrict the type of iterator, which allows local users to read or write to arbitrary kernel memory locations or cau…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00437 · Published 2016-12-28 · Fixed CWE-416
Priority LOW 33
Race condition in the fsnotify implementation in the Linux kernel through 4.12.4 allows local users to gain privileges or cause a denial of service (memory corruption) via a crafted application that leverages simultaneou…
CVSS 3.1HIGH 7.0· Local · Low privileges · No interaction · EPSS 0.01223 · Published 2017-08-05 · Partial fix CWE-362
Priority LOW 31
The sg implementation in the Linux kernel through 4.9 does not properly restrict write operations in situations where the KERNEL_DS option is set, which allows local users to read or write to arbitrary kernel memory loca…
CVSS 3.1HIGH 7.0· Local · Low privileges · No interaction · EPSS 0.00372 · Published 2016-12-30 · Fixed CWE-416
Priority LOW 28
The ping_unhash function in net/ipv4/ping.c in the Linux kernel through 4.10.8 is too late in obtaining a certain lock and consequently cannot ensure that disconnect function calls are safe, which allows local users to c…
CVSS 3.0MEDIUM 5.5· Local · Low privileges · No interaction · EPSS 0.01463 · Published 2017-04-05 · Fixed
Priority LOW 28
The proc_keys_show function in security/keys/proc.c in the Linux kernel through 4.8.2, when the GNU Compiler Collection (gcc) stack protector is enabled, uses an incorrect buffer size for certain timeout data, which allo…
CVSS 3.0MEDIUM 6.2· Local · No auth · No interaction · EPSS 0.00395 · Published 2016-10-16 · Partial fix CWE-119
Priority LOW 25
fs/ext4/inode.c in the Linux kernel before 4.6.2, when ext4 data=ordered mode is used, mishandles a needs-flushing-before-commit list, which allows local users to obtain sensitive information from other users' files in o…
CVSS 3.0MEDIUM 5.5· Local · Low privileges · No interaction · EPSS 0.00404 · Published 2017-05-15 · Fixed CWE-200
Priority LOW 25
The keyring_search_aux function in security/keys/keyring.c in the Linux kernel through 3.14.79 allows local users to cause a denial of service (NULL pointer dereference and OOPS) via a request_key system call for the "de…
CVSS 3.0MEDIUM 5.5· Local · Low privileges · No interaction · EPSS 0.00385 · Published 2017-03-16 · Partial fix CWE-476
Priority LOW 25
Multiple memory leaks in error paths in fs/xfs/xfs_attr_list.c in the Linux kernel before 4.5.1 allow local users to cause a denial of service (memory consumption) via crafted XFS filesystem operations.
CVSS 3.0MEDIUM 5.5· Local · Low privileges · No interaction · EPSS 0.00393 · Published 2016-12-28 · Partial fix CWE-400
Priority LOW 25
The TCP stack in the Linux kernel before 4.8.10 mishandles skb truncation, which allows local users to cause a denial of service (system crash) via a crafted application that makes sendto system calls, related to net/ipv…
CVSS 3.0MEDIUM 5.5· Local · Low privileges · No interaction · EPSS 0.00465 · Published 2016-11-28 · Fixed CWE-284
Priority LOW 23
Multiple race conditions in the ext4 filesystem implementation in the Linux kernel before 4.5 allow local users to cause a denial of service (disk corruption) by writing to a page that is associated with a different user…
CVSS 3.1MEDIUM 5.1· Local · No auth · No interaction · EPSS 0.00351 · Published 2016-05-02 · Fixed CWE-362
Priority LOW 22
In the Linux kernel before 4.9.3, fs/xfs/xfs_aops.c allows local users to cause a denial of service (system crash) because there is a race condition between direct and memory-mapped I/O (associated with a hole) that is h…
CVSS 3.0MEDIUM 4.7· Local · Low privileges · No interaction · EPSS 0.0032 · Published 2019-02-01 · Partial fix CWE-362
Priority LOW 21
The simple_set_acl function in fs/posix_acl.c in the Linux kernel before 4.9.6 preserves the setgid bit during a setxattr call involving a tmpfs filesystem, which allows local users to gain group privileges by leveraging…
CVSS 3.0MEDIUM 4.4· Local · Low privileges · No interaction · EPSS 0.0042 · Published 2017-02-06 · Partial fix
Priority LOW 21
The filesystem implementation in the Linux kernel through 4.8.2 preserves the setgid bit during a setxattr call, which allows local users to gain group privileges by leveraging the existence of a setgid program with rest…
CVSS 3.0MEDIUM 4.4· Local · Low privileges · No interaction · EPSS 0.00392 · Published 2016-10-16 · Partial fix CWE-285
Priority LOW 20
It was discovered in the Linux kernel before 4.11-rc8 that root can gain direct access to an internal keyring, such as '.dns_resolver' in RHEL-7 or '.builtin_trusted_keys' upstream, by joining it as its session keyring.
CVSS 3.0MEDIUM 4.4· Local · High privileges · No interaction · EPSS 0.00271 · Published 2018-07-11 · Partial fix CWE-732