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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
CVE-2020-15025

ntp: Resource exhaustion via memory leak with CMAC keys

ntpd in ntp 4.2.8 before 4.2.8p15 and 4.3.x before 4.3.101 allows remote attackers to cause a denial of service (memory consumption) by sending packets, because memory is not freed in situations where a CMAC key is used and associated with a CMAC algorithm in the ntp.keys file.

CVSS 3.1 · 4.4 Medium EPSS 3.1% KEV · Not listed
Vendors
Netapp Ntp Opensuse and 1 more
Products
8300 8300 Firmware 8700 and 24 more
CVE-2020-13143

kernel: usb: gadget: illegal array access in binding with UDC

gadget_dev_desc_UDC_store in drivers/usb/gadget/configfs.c in the Linux kernel 3.16 through 5.6.13 relies on kstrdup without considering the possibility of an internal '\0' value, which allows attackers to trigger an out-of-bounds read, aka CID-15753588bcd4.

CVSS 3.1 · 6.5 Medium EPSS 5.2% KEV · Not listed
Vendors
Canonical Debian Linux and 2 more
Products
Ubuntu Linux Debian Linux Linux Kernel and 35 more
CVE-2020-12771

kernel: deadlock if a coalescing operation fails in btree_gc_coalesce function in drivers/md/bcache/btree.c

An issue was discovered in the Linux kernel through 5.6.11. btree_gc_coalesce in drivers/md/bcache/btree.c has a deadlock if a coalescing operation fails.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical Debian Linux and 3 more
Products
Ubuntu Linux Debian Linux Linux Kernel and 34 more
CVE-2020-12770

kernel: sg_write function lacks an sg_remove_request call in a certain failure case

An issue was discovered in the Linux kernel through 5.6.11. sg_write lacks an sg_remove_request call in a certain failure case, aka CID-83c6f2390040.

CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical Debian Fedoraproject and 3 more
Products
Ubuntu Linux Debian Linux Fedora and 39 more
CVE-2020-12653

kernel: buffer overflow in mwifiex_cmd_append_vsie_tlv function in drivers/net/wireless/marvell/mwifiex/scan.c

An issue was found in Linux kernel before 5.5.4. The mwifiex_cmd_append_vsie_tlv() function in drivers/net/wireless/marvell/mwifiex/scan.c allows local users to gain privileges or cause a denial of service because of an incorrect memcpy and buffer overflow, aka CID-b70261a288ea.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Debian Linux Netapp and 2 more
Products
Debian Linux Linux Kernel A700s and 39 more