rhsa-2020_1070
Vulnerability from csaf_redhat
Published
2020-03-31 21:03
Modified
2024-11-05 21:58
Summary
Red Hat Security Advisory: kernel-rt security and bug fix update
Notes
Topic
An update for kernel-rt is now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.
Security Fix(es):
* kernel: out of bound read in DVB connexant driver. (CVE-2015-9289)
* kernel: Missing permissions check for request_key() destination allows local attackers to add keys to keyring without Write permission (CVE-2017-17807)
* kernel: denial of service via ioctl call in network tun handling (CVE-2018-7191)
* kernel: usb: missing size check in the __usb_get_extra_descriptor() leading to DoS (CVE-2018-20169)
* kernel: perf_event_open() and execve() race in setuid programs allows a data leak (CVE-2019-3901)
* kernel: brcmfmac frame validation bypass (CVE-2019-9503)
* kernel: null-pointer dereference in hci_uart_set_flow_control (CVE-2019-10207)
* kernel: sensitive information disclosure from kernel stack memory via HIDPCONNADD command (CVE-2019-11884)
* kernel: unchecked kstrdup of fwstr in drm_load_edid_firmware leads to denial of service (CVE-2019-12382)
* kernel: use-after-free in arch/x86/lib/insn-eval.c (CVE-2019-13233)
* kernel: integer overflow and OOB read in drivers/block/floppy.c (CVE-2019-14283)
* kernel: memory leak in register_queue_kobjects() in net/core/net-sysfs.c leads to denial of service (CVE-2019-15916)
* kernel: buffer-overflow hardening in WiFi beacon validation code. (CVE-2019-16746)
* kernel: oob memory read in hso_probe in drivers/net/usb/hso.c (CVE-2018-19985)
* Kernel: net: weak IP ID generation leads to remote device tracking (CVE-2019-10638)
* Kernel: net: using kernel space address bits to derive IP ID may potentially break KASLR (CVE-2019-10639)
* kernel: ASLR bypass for setuid binaries due to late install_exec_creds() (CVE-2019-11190)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.8 Release Notes linked from the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.\n\nSecurity Fix(es):\n\n* kernel: out of bound read in DVB connexant driver. (CVE-2015-9289)\n\n* kernel: Missing permissions check for request_key() destination allows local attackers to add keys to keyring without Write permission (CVE-2017-17807)\n\n* kernel: denial of service via ioctl call in network tun handling (CVE-2018-7191)\n\n* kernel: usb: missing size check in the __usb_get_extra_descriptor() leading to DoS (CVE-2018-20169)\n\n* kernel: perf_event_open() and execve() race in setuid programs allows a data leak (CVE-2019-3901)\n\n* kernel: brcmfmac frame validation bypass (CVE-2019-9503)\n\n* kernel: null-pointer dereference in hci_uart_set_flow_control (CVE-2019-10207)\n\n* kernel: sensitive information disclosure from kernel stack memory via HIDPCONNADD command (CVE-2019-11884)\n\n* kernel: unchecked kstrdup of fwstr in drm_load_edid_firmware leads to denial of service (CVE-2019-12382)\n\n* kernel: use-after-free in arch/x86/lib/insn-eval.c (CVE-2019-13233)\n\n* kernel: integer overflow and OOB read in drivers/block/floppy.c (CVE-2019-14283)\n\n* kernel: memory leak in register_queue_kobjects() in net/core/net-sysfs.c leads to denial of service (CVE-2019-15916)\n\n* kernel: buffer-overflow hardening in WiFi beacon validation code. (CVE-2019-16746)\n\n* kernel: oob memory read in hso_probe in drivers/net/usb/hso.c (CVE-2018-19985)\n\n* Kernel: net: weak IP ID generation leads to remote device tracking (CVE-2019-10638)\n\n* Kernel: net: using kernel space address bits to derive IP ID may potentially break KASLR (CVE-2019-10639)\n\n* kernel: ASLR bypass for setuid binaries due to late install_exec_creds() (CVE-2019-11190)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 7.8 Release Notes linked from the References section.", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2020:1070", "url": "https://access.redhat.com/errata/RHSA-2020:1070" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#moderate", "url": "https://access.redhat.com/security/updates/classification/#moderate" }, { "category": "external", "summary": "https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.8_release_notes/index", "url": 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URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2020/rhsa-2020_1070.json" } ], "title": "Red Hat Security Advisory: kernel-rt security and bug fix update", "tracking": { "current_release_date": "2024-11-05T21:58:09+00:00", "generator": { "date": "2024-11-05T21:58:09+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.1.1" } }, "id": "RHSA-2020:1070", "initial_release_date": "2020-03-31T21:03:25+00:00", "revision_history": [ { "date": "2020-03-31T21:03:25+00:00", "number": "1", "summary": "Initial version" }, { "date": "2020-03-31T21:03:25+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-05T21:58:09+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux for Real Time for NFV (v. 7)", "product": { "name": "Red Hat Enterprise Linux for Real Time for 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"vulnerabilities": [ { "cve": "CVE-2015-9289", "cwe": { "id": "CWE-120", "name": "Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)" }, "discovery_date": "2019-07-29T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1735655" } ], "notes": [ { "category": "description", "text": "A vulnerability was found in the Linux kernel\u2019s CX24116 tv-card driver, where an out of bounds read occurs when checking userspace params in drivers/media/dvb-frontends/cx24116.c. An attacker could use this flaw to leak kernel private information to userspace.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: out of bound read in DVB connexant driver.", "title": "Vulnerability summary" }, { "category": "other", "text": "This flaw requires a Conexant CX24116 series TV-media card to be in the system for this driver to load. This flaw is when an attacker attempts to use the card to communicate with a satellite tv control subsystem ( via Digital Satellite Equipment Control command) by issuing a specially crafted ioctl to the device.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-NFV-7.8:kernel-rt-0:3.10.0-1127.rt56.1093.el7.src", "7Server-NFV-7.8:kernel-rt-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-debuginfo-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-devel-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-kvm-0:3.10.0-1127.rt56.1093.el7.x86_64", 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This compromises the validity of the keyring for those who rely on it.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: Missing permissions check for request_key() destination allows local attackers to add keys to keyring without Write permission", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 5. This is not currently planned to be addressed in future updates of the product due to its life cycle. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.\n\nThis issue affects the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 6, 7, its real-time kernel, Red Hat Enterprise MRG 2, Red Hat Enterprise Linux 7 for ARM 64 and Red Hat Enterprise Linux 7 for Power 9 LE. Future Linux kernel updates for the respective releases may address this issue.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-NFV-7.8:kernel-rt-0:3.10.0-1127.rt56.1093.el7.src", "7Server-NFV-7.8:kernel-rt-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-debuginfo-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-devel-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-kvm-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-kvm-debuginfo-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debuginfo-0:3.10.0-1127.rt56.1093.el7.x86_64", 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A local attacker can cause a denial of service (NULL pointer dereference and panic) via an ioctl (TUNSETIFF) call with a dev name containing a / character.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: denial of service via ioctl call in network tun handling", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-NFV-7.8:kernel-rt-0:3.10.0-1127.rt56.1093.el7.src", "7Server-NFV-7.8:kernel-rt-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-debuginfo-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-devel-0:3.10.0-1127.rt56.1093.el7.x86_64", 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hso_probe() or hso_get_config_data(). An attacker with a forged USB device and physical access to a system (needed to connect such a device) can cause a system crash and a denial of service.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: oob memory read in hso_probe in drivers/net/usb/hso.c", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-NFV-7.8:kernel-rt-0:3.10.0-1127.rt56.1093.el7.src", "7Server-NFV-7.8:kernel-rt-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-debuginfo-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-devel-0:3.10.0-1127.rt56.1093.el7.x86_64", 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to leak sensitive data from setuid programs. As no relevant locks (in particular the cred_guard_mutex) are held during the ptrace_may_access() call, it is possible for the specified target task to perform an execve() syscall with setuid execution before perf_event_alloc() actually attaches to it, allowing an attacker to bypass the ptrace_may_access() check and the perf_event_exit_task(current) call that is performed in install_exec_creds() during privileged execve() calls.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: perf_event_open() and execve() race in setuid programs allows a data leak", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-NFV-7.8:kernel-rt-0:3.10.0-1127.rt56.1093.el7.src", 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"url": "https://www.cve.org/CVERecord?id=CVE-2019-3901" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-3901", "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-3901" } ], "release_date": "2016-04-25T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2020-03-31T21:03:25+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.", "product_ids": [ "7Server-NFV-7.8:kernel-rt-0:3.10.0-1127.rt56.1093.el7.src", "7Server-NFV-7.8:kernel-rt-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-debuginfo-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-devel-0:3.10.0-1127.rt56.1093.el7.x86_64", 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"description", "text": "If the brcmfmac driver receives a firmware event frame from a remote source, the is_wlc_event_frame function will cause this frame to be discarded and not be processed. If the driver receives the firmware event frame from the host, the appropriate handler is called. This frame validation can be bypassed if the bus used is USB (for instance by a WiFi dongle). This can allow firmware event frames from a remote source to be processed and this can result in denial of service (DoS) condition.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: brcmfmac frame validation bypass", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-NFV-7.8:kernel-rt-0:3.10.0-1127.rt56.1093.el7.src", "7Server-NFV-7.8:kernel-rt-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-debuginfo-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-devel-0:3.10.0-1127.rt56.1093.el7.x86_64", 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"https://blog.quarkslab.com/reverse-engineering-broadcom-wireless-chipsets.html#cve-2019-9503-remotely-sending-firmware-events-bypassing-is-wlc-event-frame", "url": "https://blog.quarkslab.com/reverse-engineering-broadcom-wireless-chipsets.html#cve-2019-9503-remotely-sending-firmware-events-bypassing-is-wlc-event-frame" }, { "category": "external", "summary": "https://kb.cert.org/vuls/id/166939/", "url": "https://kb.cert.org/vuls/id/166939/" }, { "category": "external", "summary": "https://www.bleepingcomputer.com/news/security/broadcom-wifi-driver-flaws-expose-computers-phones-iot-to-rce-attacks/", "url": "https://www.bleepingcomputer.com/news/security/broadcom-wifi-driver-flaws-expose-computers-phones-iot-to-rce-attacks/" } ], "release_date": "2019-02-19T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2020-03-31T21:03:25+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer 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An attacker with local access and write permissions to the Bluetooth hardware could use this flaw to issue a specially crafted ioctl function call and cause the system to crash.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: null-pointer dereference in hci_uart_set_flow_control", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-NFV-7.8:kernel-rt-0:3.10.0-1127.rt56.1093.el7.src", "7Server-NFV-7.8:kernel-rt-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-debuginfo-0:3.10.0-1127.rt56.1093.el7.x86_64", 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kernel derived the IP ID field from a partial kernel space address returned by a net_hash_mix() function. A remote user could observe a weak IP ID generation in this field to track Linux devices.", "title": "Vulnerability description" }, { "category": "summary", "text": "Kernel: net: weak IP ID generation leads to remote device tracking", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue does not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 5 and Red Hat Enterprise Linux 6.\n\nThis issue affects the version of Linux kernel as shipped with Red Hat Enterprise Linux 7, 8 and Red Hat Enterprise MRG 2. Future kernel updates for Red Hat Enterprise Linux 7, 8 and Red Hat Enterprise MRG 2 may address this issue.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-NFV-7.8:kernel-rt-0:3.10.0-1127.rt56.1093.el7.src", "7Server-NFV-7.8:kernel-rt-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-debuginfo-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-devel-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-kvm-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-kvm-debuginfo-0:3.10.0-1127.rt56.1093.el7.x86_64", 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A remote user could observe this IP ID field to extract the kernel\u00a0address bits used to derive its value, which may result in leaking the hash key and potentially defeating KASLR.", "title": "Vulnerability description" }, { "category": "summary", "text": "Kernel: net: using kernel space address bits to derive IP ID may potentially break KASLR", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue does not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 5 and Red Hat Enterprise Linux 6.\n\nThis issue affects the version of Linux kernel as shipped with Red Hat Enterprise Linux 7, 8 and Red Hat Enterprise MRG 2. Future kernel updates for Red Hat Enterprise Linux 7, 8 and Red Hat Enterprise MRG 2 may address this issue.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-NFV-7.8:kernel-rt-0:3.10.0-1127.rt56.1093.el7.src", "7Server-NFV-7.8:kernel-rt-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-debuginfo-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-devel-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-kvm-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-kvm-debuginfo-0:3.10.0-1127.rt56.1093.el7.x86_64", 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A local attacker with access permissions to the Bluetooth device can issue an IOCTL which will trigger the do_hidp_sock_ioctl function in net/bluetooth/hidp/sock.c.c. This function can leak potentially sensitive information from the kernel stack memory via a HIDPCONNADD command because a name field may not be correctly NULL terminated.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: sensitive information disclosure from kernel stack memory via HIDPCONNADD command", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-NFV-7.8:kernel-rt-0:3.10.0-1127.rt56.1093.el7.src", "7Server-NFV-7.8:kernel-rt-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-debuginfo-0:3.10.0-1127.rt56.1093.el7.x86_64", 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implementation of Extended Display Identification Data (EDID) technology. A firmware identifier string is duplicated with the kstrdup function, and the allocation may fail under very low memory conditions. An attacker could abuse this flaw by causing a Denial of Service and crashing the system.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: unchecked kstrdup of fwstr in drm_load_edid_firmware leads to denial of service", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-NFV-7.8:kernel-rt-0:3.10.0-1127.rt56.1093.el7.src", "7Server-NFV-7.8:kernel-rt-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-debuginfo-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-devel-0:3.10.0-1127.rt56.1093.el7.x86_64", 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An attacker could corrupt the memory due to a flaw in use-after-free access to an LDT entry caused by a race condition between modify_ldt() and a #BR exception for an MPX bounds violation.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: use-after-free in arch/x86/lib/insn-eval.c", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-NFV-7.8:kernel-rt-0:3.10.0-1127.rt56.1093.el7.src", "7Server-NFV-7.8:kernel-rt-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-debuginfo-0:3.10.0-1127.rt56.1093.el7.x86_64", 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A local attacker with access to the floppy device could call set_geometry in drivers/block/floppy.c, which does not validate the sect and head fields, causing an integer overflow and out-of-bounds read. This flaw may crash the system or allow an attacker to gather information causing subsequent successful attacks.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: integer overflow and OOB read in drivers/block/floppy.c", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-NFV-7.8:kernel-rt-0:3.10.0-1127.rt56.1093.el7.src", "7Server-NFV-7.8:kernel-rt-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-debuginfo-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-devel-0:3.10.0-1127.rt56.1093.el7.x86_64", 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For this flaw to be executed, the attacker must be both local and privileged. There is no mitigation to this flaw. A patch has been provided to remediate this flaw.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: heap-overflow in mwifiex_set_wmm_params() function of Marvell WiFi driver leading to DoS", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-NFV-7.8:kernel-rt-0:3.10.0-1127.rt56.1093.el7.src", "7Server-NFV-7.8:kernel-rt-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-debuginfo-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-devel-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-kvm-0:3.10.0-1127.rt56.1093.el7.x86_64", 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This flaw allows an attacker with physical access to the system to crash the system.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: Null pointer dereference in the sound/usb/line6/pcm.c", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue is rated as having Low impact because of the physical access needed to trigger this issue.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-NFV-7.8:kernel-rt-0:3.10.0-1127.rt56.1093.el7.src", "7Server-NFV-7.8:kernel-rt-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-0:3.10.0-1127.rt56.1093.el7.x86_64", 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leak in register_queue_kobjects() in net/core/net-sysfs.c leads to denial of service" }, { "cve": "CVE-2019-16746", "cwe": { "id": "CWE-120", "name": "Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)" }, "discovery_date": "2019-09-26T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1760306" } ], "notes": [ { "category": "description", "text": "A flaw in the Linux kernel\u0027s WiFi beacon validation code was discovered. The code does not check the length of the variable length elements in the beacon head potentially leading to a buffer overflow. System availability, as well as data confidentiality and integrity, can be impacted by this vulnerability.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: buffer-overflow hardening in WiFi beacon validation code.", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-NFV-7.8:kernel-rt-0:3.10.0-1127.rt56.1093.el7.src", "7Server-NFV-7.8:kernel-rt-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-debuginfo-0:3.10.0-1127.rt56.1093.el7.x86_64", "7Server-NFV-7.8:kernel-rt-debug-devel-0:3.10.0-1127.rt56.1093.el7.x86_64", 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Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.