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Linux » Linux Kernel » * * * * : Security Vulnerabilities Published In 2020 (Overflow)

Cpe Name:cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
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# CVE ID CWE ID # of Exploits Vulnerability Type(s) Publish Date Update Date Score Gained Access Level Access Complexity Authentication Conf. Integ. Avail.
1 CVE-2020-27194 119 Overflow 2020-10-16 2020-10-30
2.1
None Local Low Not required None None Partial
An issue was discovered in the Linux kernel before 5.8.15. scalar32_min_max_or in kernel/bpf/verifier.c mishandles bounds tracking during use of 64-bit values, aka CID-5b9fbeb75b6a.
2 CVE-2020-25643 20 DoS Overflow Mem. Corr. 2020-10-06 2021-10-19
7.5
None Remote Medium ??? Partial Partial Complete
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.
3 CVE-2020-25211 120 Overflow 2020-09-09 2020-11-02
3.6
None Local Low Not required None Partial Partial
In the Linux kernel through 5.8.7, local attackers able to inject conntrack netlink configuration could overflow a local buffer, causing crashes or triggering use of incorrect protocol numbers in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c, aka CID-1cc5ef91d2ff.
4 CVE-2020-13974 190 Overflow 2020-06-09 2021-01-04
7.2
None Local Low Not required Complete Complete Complete
An issue was discovered in the Linux kernel 4.4 through 5.7.1. drivers/tty/vt/keyboard.c has an integer overflow if k_ascii is called several times in a row, aka CID-b86dab054059. NOTE: Members in the community argue that the integer overflow does not lead to a security issue in this case.
5 CVE-2020-12826 190 Overflow 2020-05-12 2020-06-22
4.4
None Local Medium Not required Partial Partial Partial
A signal access-control issue was discovered in the Linux kernel before 5.6.5, aka CID-7395ea4e65c2. Because exec_id in include/linux/sched.h is only 32 bits, an integer overflow can interfere with a do_notify_parent protection mechanism. A child process can send an arbitrary signal to a parent process in a different security domain. Exploitation limitations include the amount of elapsed time before an integer overflow occurs, and the lack of scenarios where signals to a parent process present a substantial operational threat.
6 CVE-2020-12654 787 Overflow 2020-05-05 2020-06-16
4.3
None Local Network High Not required Partial Partial Partial
An issue was found in Linux kernel before 5.5.4. mwifiex_ret_wmm_get_status() in drivers/net/wireless/marvell/mwifiex/wmm.c allows a remote AP to trigger a heap-based buffer overflow because of an incorrect memcpy, aka CID-3a9b153c5591.
7 CVE-2020-12653 269 DoS Overflow +Priv 2020-05-05 2021-07-21
4.6
None Local Low Not required Partial Partial Partial
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.
8 CVE-2020-12465 120 Overflow 2020-04-29 2020-06-08
7.2
None Local Low Not required Complete Complete Complete
An array overflow was discovered in mt76_add_fragment in drivers/net/wireless/mediatek/mt76/dma.c in the Linux kernel before 5.5.10, aka CID-b102f0c522cf. An oversized packet with too many rx fragments can corrupt memory of adjacent pages.
9 CVE-2020-10942 119 Overflow 2020-03-24 2021-07-21
5.4
None Local Medium Not required None Partial Complete
In the Linux kernel before 5.5.8, get_raw_socket in drivers/vhost/net.c lacks validation of an sk_family field, which might allow attackers to trigger kernel stack corruption via crafted system calls.
10 CVE-2020-10757 119 Overflow 2020-06-09 2021-07-21
6.9
None Local Medium Not required Complete Complete Complete
A flaw was found in the Linux Kernel in versions after 4.5-rc1 in the way mremap handled DAX Huge Pages. This flaw allows a local attacker with access to a DAX enabled storage to escalate their privileges on the system.
11 CVE-2020-9391 119 Overflow Mem. Corr. 2020-02-25 2021-07-21
2.1
None Local Low Not required None None Partial
An issue was discovered in the Linux kernel 5.4 and 5.5 through 5.5.6 on the AArch64 architecture. It ignores the top byte in the address passed to the brk system call, potentially moving the memory break downwards when the application expects it to move upwards, aka CID-dcde237319e6. This has been observed to cause heap corruption with the GNU C Library malloc implementation.
12 CVE-2020-8835 119 Overflow 2020-04-02 2021-07-21
7.2
None Local Low Not required Complete Complete Complete
In the Linux kernel 5.5.0 and newer, the bpf verifier (kernel/bpf/verifier.c) did not properly restrict the register bounds for 32-bit operations, leading to out-of-bounds reads and writes in kernel memory. The vulnerability also affects the Linux 5.4 stable series, starting with v5.4.7, as the introducing commit was backported to that branch. This vulnerability was fixed in 5.6.1, 5.5.14, and 5.4.29. (issue is aka ZDI-CAN-10780)
13 CVE-2009-4067 120 DoS Exec Code Overflow 2020-02-11 2020-02-12
7.2
None Local Low Not required Complete Complete Complete
Buffer overflow in the auerswald_probe function in the Auerswald Linux USB driver for the Linux kernel before 2.6.27 allows physically proximate attackers to execute arbitrary code, cause a denial of service via a crafted USB device, or take full control of the system.
Total number of vulnerabilities : 13   Page : 1 (This Page)
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