Linux Kernel CVE Statistics
27 Linux Kernel CVEs in May 2021
Full month · Source: NIST NVD
In May 2021, 27 Linux kernel CVEs were published, sourced from the NIST National Vulnerability Database. Of these, 17 were rated High severity and 9 Medium. No CVEs from this month have been confirmed as actively exploited via the CISA KEV catalog. May's 27 CVEs represent 15% of all 2021 Linux kernel CVEs , up from April's 15 (a 80% month-over-month increase) .
27
Total CVEs
0
Critical
17
High
9
Medium
1
Low
0
KEV Exploited
All CVEs — May 2021
27 CVEs
| CVE ID | Package | Severity | CVSS | Published | Description | |
|---|---|---|---|---|---|---|
| CVE-2021-33200 | linux | High | 7.8 | 2021-05-27 | kernel/bpf/verifier.c in the Linux kernel through 5.12.7 enforces incorrect limits for pointer arithmetic operations, a… | |
| CVE-2020-25671 | linux | High | 7.8 | 2021-05-26 | A vulnerability was found in Linux Kernel, where a refcount leak in llcp_sock_connect() causing use-after-free which mi… | |
| CVE-2020-27815 | linux | High | 7.8 | 2021-05-26 | A flaw was found in the JFS filesystem code in the Linux Kernel which allows a local attacker with the ability to set e… | |
| CVE-2020-25669 | linux | High | 7.8 | 2021-05-26 | A vulnerability was found in the Linux Kernel where the function sunkbd_reinit having been scheduled by sunkbd_interrup… | |
| CVE-2020-25670 | linux | High | 7.8 | 2021-05-26 | A vulnerability was found in Linux Kernel where refcount leak in llcp_sock_bind() causing use-after-free which might le… | |
| CVE-2021-3483 | linux | High | 7.8 | 2021-05-17 | A flaw was found in the Nosy driver in the Linux kernel. This issue allows a device to be inserted twice into a doubly-… | |
| CVE-2019-25044 | linux | High | 7.8 | 2021-05-14 | The block subsystem in the Linux kernel before 5.2 has a use-after-free that can lead to arbitrary code execution in th… | |
| CVE-2021-33034 | linux | High | 7.8 | 2021-05-14 | In the Linux kernel before 5.12.4, net/bluetooth/hci_event.c has a use-after-free when destroying an hci_chan, aka CID-… | |
| CVE-2021-33033 | linux | High | 7.8 | 2021-05-14 | The Linux kernel before 5.11.14 has a use-after-free in cipso_v4_genopt in net/ipv4/cipso_ipv4.c because the CIPSO and … | |
| CVE-2021-23134 | linux | High | 7.8 | 2021-05-12 | Use After Free vulnerability in nfc sockets in the Linux Kernel before 5.12.4 allows local attackers to elevate their p… | |
| CVE-2021-32606 | linux | High | 7.8 | 2021-05-11 | In the Linux kernel 5.11 through 5.12.2, isotp_setsockopt in net/can/isotp.c allows privilege escalation to root by lev… | |
| CVE-2020-35519 | linux | High | 7.8 | 2021-05-06 | 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-r… | |
| CVE-2020-25672 | linux | High | 7.5 | 2021-05-25 | A memory leak vulnerability was found in Linux kernel in llcp_sock_connect | |
| CVE-2021-3501 | linux | High | 7.1 | 2021-05-06 | A flaw was found in the Linux kernel in versions before 5.12. The value of internal.ndata, in the KVM API, is mapped to… | |
| CVE-2020-25668 | linux | High | 7.0 | 2021-05-26 | A flaw was found in Linux Kernel because access to the global variable fg_console is not properly synchronized leading … |