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CVE-2020-8832

Ubuntu 18.04 Linux kernel i915 incomplete fix for CVE-2019-14615

The fix for the Linux kernel in Ubuntu 18.04 LTS for CVE-2019-14615 ("The Linux kernel did not properly clear data structures on context switches for certain Intel graphics processors.") was discovered to be incomplete, meaning that in versions of the kernel before 4.15.0-91.92, an attacker could use this vulnerability to expose sensitive information.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical Netapp
Products
Ubuntu Linux Aff 8300 Aff 8300 Firmware and 57 more
CVE-2020-36516

kernel: off-path attacker may inject data or terminate victim's TCP session

An issue was discovered in the Linux kernel through 5.16.11. The mixed IPID assignment method with the hash-based IPID assignment policy allows an off-path attacker to inject data into a victim's TCP session or terminate that session.

CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed
Vendors
Linux Netapp Redhat
Products
Linux Kernel Bootstrap Os Cloud Volumes Ontap Mediator and 29 more
CVE-2020-36387

kernel: use-after-free related to io_async_task_func() reference holding in fs/io_uring.c

An issue was discovered in the Linux kernel before 5.8.2. fs/io_uring.c has a use-after-free related to io_async_task_func and ctx reference holding, aka CID-6d816e088c35.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Linux Netapp
Products
Linux Kernel H300e H300e Firmware and 14 more
CVE-2020-36385

kernel: use-after-free in drivers/infiniband/core/ucma.c ctx use-after-free

An issue was discovered in the Linux kernel before 5.10. drivers/infiniband/core/ucma.c has a use-after-free because the ctx is reached via the ctx_list in some ucma_migrate_id situations where ucma_close is called, aka CID-f5449e74802c.

CVSS 3.1 · 7.8 High EPSS 1.5% KEV · Not listed
Vendors
Linux Netapp Redhat and 1 more
Products
Linux Kernel H300e H300e Firmware and 23 more
CVE-2020-35519

kernel: x25_bind out-of-bounds read

An out-of-bounds (OOB) memory access flaw was found in x25_bind in net/x25/af_x25.c in the Linux kernel version v5.12-rc5. A bounds check failure allows a local attacker with a user account on the system to gain access to out-of-bounds memory, leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Linux Netapp
Products
Linux Kernel Cloud Backup H300e and 17 more
CVE-2020-35508

kernel: fork: fix copy_process(CLONE_PARENT) race with the exiting ->real_parent

A flaw possibility of race condition and incorrect initialization of the process id was found in the Linux kernel child/parent process identification handling while filtering signal handlers. A local attacker is able to abuse this flaw to bypass checks to send any signal to a privileged process.

CVSS 3.1 · 4.5 Medium EPSS < 1% KEV · Not listed
Vendors
Linux Netapp Redhat
Products
Linux Kernel A700s A700s Firmware and 31 more
CVE-2020-29661

kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an use-after-free

A locking issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/tty_jobctrl.c allows a use-after-free attack against TIOCSPGRP, aka CID-54ffccbf053b.

CVSS 3.1 · 7.8 High EPSS 1.1% KEV · Not listed
Vendors
Broadcom Debian Fedoraproject and 4 more
Products
Fabric Operating System Debian Linux Fedora and 22 more
CVE-2020-29660

kernel: locking inconsistency in drivers/tty/tty_io.c and drivers/tty/tty_jobctrl.c can lead to a read-after-free

A locking inconsistency issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/tty_io.c and drivers/tty/tty_jobctrl.c may allow a read-after-free attack against TIOCGSID, aka CID-c8bcd9c5be24.

CVSS 3.1 · 4.4 Medium EPSS < 1% KEV · Not listed
Vendors
Broadcom Debian Fedoraproject and 3 more
Products
Fabric Operating System Debian Linux Fedora and 15 more
CVE-2020-29370

kernel: Race condition in SLUB bulk alloc slowpath

An issue was discovered in kmem_cache_alloc_bulk in mm/slub.c in the Linux kernel before 5.5.11. The slowpath lacks the required TID increment, aka CID-fd4d9c7d0c71.

CVSS 3.1 · 7.0 High EPSS < 1% KEV · Not listed
Vendors
Linux Netapp
Products
Linux Kernel Cloud Backup H410c and 7 more
CVE-2020-29368

kernel: the copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check

An issue was discovered in __split_huge_pmd in mm/huge_memory.c in the Linux kernel before 5.7.5. The copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check, aka CID-c444eb564fb1.

CVSS 3.1 · 7.0 High EPSS < 1% KEV · Not listed
Vendors
Linux Netapp Redhat
Products
Linux Kernel Cloud Backup Element Software and 8 more
CVE-2020-27825

kernel: use-after-free in the ftrace ring buffer resizing logic due to a race condition

A use-after-free flaw was found in kernel/trace/ring_buffer.c in Linux kernel (before 5.10-rc1). There was a race problem in trace_open and resize of cpu buffer running parallely on different cpus, may cause a denial of service problem (DOS). This flaw could even allow a local attacker with special user privilege to a kernel information leak threat.

CVSS 3.1 · 5.7 Medium EPSS < 1% KEV · Not listed
Vendors
Debian Linux Netapp and 1 more
Products
Debian Linux Linux Kernel Cloud Backup and 6 more
CVE-2020-27815

kernel: Array index out of bounds access when setting extended attributes on journaling filesystems.

A flaw was found in the JFS filesystem code in the Linux Kernel which allows a local attacker with the ability to set extended attributes to panic the system, causing memory corruption or escalating privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Debian Linux Netapp
Products
Debian Linux Linux Kernel Aff A250 and 19 more
CVE-2020-25671

kernel: refcount leak in llcp_sock_connect()

A vulnerability was found in Linux Kernel, where a refcount leak in llcp_sock_connect() causing use-after-free which might lead to privilege escalations.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Debian Fedoraproject Linux and 1 more
Products
Debian Linux Fedora Linux Kernel and 20 more
CVE-2020-25669

kernel: use-after-free read in sunkbd_reinit in drivers/input/keyboard/sunkbd.c

A vulnerability was found in the Linux Kernel where the function sunkbd_reinit having been scheduled by sunkbd_interrupt before sunkbd being freed. Though the dangling pointer is set to NULL in sunkbd_disconnect, there is still an alias in sunkbd_reinit causing Use After Free.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Debian Linux Netapp
Products
Debian Linux Linux Kernel Cloud Backup and 18 more
CVE-2020-25668

kernel: race condition in fg_console can lead to use-after-free in con_font_op

A flaw was found in Linux Kernel because access to the global variable fg_console is not properly synchronized leading to a use after free in con_font_op.

CVSS 3.1 · 7.0 High EPSS 1.0% KEV · Not listed
Vendors
Debian Linux Netapp
Products
Debian Linux Linux Kernel 500f and 23 more
CVE-2020-25643

kernel: improper input validation in ppp_cp_parse_cr function leads to memory corruption and read overflow

A flaw was found in the HDLC_PPP module of the Linux kernel in versions before 5.9-rc7. Memory corruption and a read overflow is caused by improper input validation in the ppp_cp_parse_cr function which can cause the system to crash or cause a denial of service. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

CVSS 3.1 · 7.2 High EPSS 3.3% KEV · Not listed
Vendors
Debian Linux Netapp and 3 more
Products
Debian Linux Linux Kernel H410c and 5 more
CVE-2020-16166

kernel: information exposure in drivers/char/random.c and kernel/time/timer.c

The Linux kernel through 5.7.11 allows remote attackers to make observations that help to obtain sensitive information about the internal state of the network RNG, aka CID-f227e3ec3b5c. This is related to drivers/char/random.c and kernel/time/timer.c.

CVSS 3.1 · 3.7 Low EPSS 5.2% KEV · Not listed
Vendors
Canonical Debian Fedoraproject and 5 more
Products
Ubuntu Linux Debian Linux Fedora and 15 more