Linux
19,565 CVEs across 263 months on the top 200 list since Apr 2004. Peak rank #1 in 11 months, last Aug 2026. 26 of them are now in CISA KEV.
Linux CVEs per month since Apr 2004
Oct 2021: 7 CVEs · 0 critical · 0 now in CISA KEV · rank #72 · mostly Linux KernelNov 2021: 6 CVEs · 1 critical · 0 now in CISA KEV · rank #80 · mostly Linux KernelDec 2021: 8 CVEs · 0 critical · 1 now in CISA KEV · rank #61 · mostly Linux KernelJan 2022: 14 CVEs · 0 critical · 1 now in CISA KEV · rank #49 · mostly Linux Kernel, Linux, KernelFeb 2022: 26 CVEs · 1 critical · 1 now in CISA KEV · rank #33 · mostly Linux KernelMar 2022: 43 CVEs · 1 critical · 2 now in CISA KEV · rank #22 · mostly Linux Kernel, KernelApr 2022: 15 CVEs · 0 critical · 0 now in CISA KEV · rank #51 · mostly Linux KernelMay 2022: 18 CVEs · 0 critical · 0 now in CISA KEV · rank #45 · mostly Linux Kernel, KernelJun 2022: 10 CVEs · 0 critical · 0 now in CISA KEV · rank #66 · mostly Linux KernelJul 2022: 21 CVEs · 0 critical · 0 now in CISA KEV · rank #32 · mostly Linux Kernel, LinuxAug 2022: 45 CVEs · 0 critical · 0 now in CISA KEV · rank #18 · mostly Linux KernelSep 2022: 36 CVEs · 0 critical · 0 now in CISA KEV · rank #25 · mostly Linux Kernel, KernelOct 2022: 46 CVEs · 0 critical · 0 now in CISA KEV · rank #17 · mostly Linux Kernel, KernelNov 2022: 17 CVEs · 0 critical · 0 now in CISA KEV · rank #45 · mostly Linux Kernel, Linux_kernel, Layer 2 Tunneling ProtocolDec 2022: 27 CVEs · 1 critical · 0 now in CISA KEV · rank #31 · mostly Linux Kernel, LinuxJan 2023: 21 CVEs · 0 critical · 1 now in CISA KEV · rank #43 · mostly Linux KernelFeb 2023: 18 CVEs · 0 critical · 0 now in CISA KEV · rank #43 · mostly Linux KernelMar 2023: not on the top 200 that monthApr 2023: 43 CVEs · 0 critical · 0 now in CISA KEV · rank #16 · mostly Linux KernelMay 2023: 19 CVEs · 0 critical · 0 now in CISA KEV · rank #41 · mostly Linux KernelJun 2023: 34 CVEs · 0 critical · 1 now in CISA KEV · rank #20 · mostly Linux Kernel, KernelJul 2023: 39 CVEs · 9 critical · 0 now in CISA KEV · rank #20 · mostly Linux Kernel, KernelAug 2023: 16 CVEs · 0 critical · 0 now in CISA KEV · rank #54 · mostly Linux Kernel, Linux KernalSep 2023: 32 CVEs · 1 critical · 0 now in CISA KEV · rank #28 · mostly Linux Kernel, Kernel, LinuxOct 2023: 20 CVEs · 0 critical · 0 now in CISA KEV · rank #42 · mostly Linux Kernel, KernelNov 2023: 14 CVEs · 0 critical · 0 now in CISA KEV · rank #50 · mostly Linux Kernel, KernelDec 2023: 14 CVEs · 0 critical · 0 now in CISA KEV · rank #54 · mostly Linux Kernel, KernelJan 2024: 42 CVEs · 0 critical · 2 now in CISA KEV · rank #21 · mostly Linux Kernel, Linux, KernelFeb 2024: 299 CVEs · 0 critical · 0 now in CISA KEV · rank #2 · mostly Linux Kernel, LinuxMar 2024: 235 CVEs · 0 critical · 0 now in CISA KEV · rank #2 · mostly Linux, Linux KernelApr 2024: 358 CVEs · 0 critical · 0 now in CISA KEV · rank #2 · mostly Linux Kernel, LinuxMay 2024: 1,074 CVEs · 13 critical · 0 now in CISA KEV · rank #2 · mostly Linux Kernel, Linux, KernelJun 2024: 285 CVEs · 5 critical · 1 now in CISA KEV · rank #3 · mostly Linux, Linux KernelJul 2024: 440 CVEs · 0 critical · 0 now in CISA KEV · rank #2 · mostly Linux Kernel, LinuxAug 2024: 302 CVEs · 1 critical · 0 now in CISA KEV · rank #3 · mostly Linux, Linux KernelSep 2024: 277 CVEs · 0 critical · 0 now in CISA KEV · rank #2 · mostly Linux, Linux KernelOct 2024: 415 CVEs · 1 critical · 0 now in CISA KEV · rank #2 · mostly Linux, Linux KernelNov 2024: 279 CVEs · 0 critical · 1 now in CISA KEV · rank #2 · mostly Linux Kernel, LinuxDec 2024: 354 CVEs · 0 critical · 3 now in CISA KEV · rank #2 · mostly Linux, Linux KernelJan 2025: 223 CVEs · 0 critical · 0 now in CISA KEV · rank #2 · mostly Linux, Linux KernelFeb 2025: 910 CVEs · 0 critical · 0 now in CISA KEV · rank #1 · mostly Linux Kernel, LinuxMar 2025: 207 CVEs · 0 critical · 0 now in CISA KEV · rank #2 · mostly Linux, Linux KernelApr 2025: 280 CVEs · 0 critical · 0 now in CISA KEV · rank #3 · mostly Linux, Linux KernelMay 2025: 550 CVEs · 0 critical · 0 now in CISA KEV · rank #1 · mostly Linux Kernel, LinuxJun 2025: 375 CVEs · 0 critical · 0 now in CISA KEV · rank #2 · mostly Linux, Linux KernelJul 2025: 401 CVEs · 0 critical · 1 now in CISA KEV · rank #2 · mostly Linux, Linux KernelAug 2025: 186 CVEs · 0 critical · 0 now in CISA KEV · rank #3 · mostly Linux, Linux KernelSep 2025: 737 CVEs · 0 critical · 0 now in CISA KEV · rank #1 · mostly Linux Kernel, LinuxOct 2025: 651 CVEs · 1 critical · 0 now in CISA KEV · rank #1 · mostly Linux, Linux KernelNov 2025: 104 CVEs · 0 critical · 0 now in CISA KEV · rank #6 · mostly Linux, Linux KernelDec 2025: 1,055 CVEs · 1 critical · 0 now in CISA KEV · rank #1 · mostly Linux, Linux KernelJan 2026: 246 CVEs · 1 critical · 0 now in CISA KEV · rank #1 · mostly Linux, Linux KernelFeb 2026: 220 CVEs · 1 critical · 0 now in CISA KEV · rank #2 · mostly Linux, Linux KernelMar 2026: 178 CVEs · 1 critical · 0 now in CISA KEV · rank #4 · mostly Linux, Linux KernelApr 2026: 379 CVEs · 29 critical · 1 now in CISA KEV · rank #1 · mostly Linux, Linux KernelMay 2026: 1,028 CVEs · 43 critical · 0 now in CISA KEV · rank #1 · mostly Linux, Linux KernelJun 2026: 514 CVEs · 40 critical · 0 now in CISA KEV · rank #2 · mostly Linux, Linux KernelJul 2026: 837 CVEs · 88 critical · 0 now in CISA KEV · rank #2 · mostly Linux, Linux KernelAug 2026: 1,645 CVEs · 212 critical · 0 now in CISA KEV · rank #1 · mostly LinuxSep 2026 so far: 1,507 CVEs · 107 critical · 0 now in CISA KEV · rank #1 · mostly Linux
In the lens
The products that kept showing up in Linux's monthly top three from Oct 2021 to Sep 2026. Move the lens and the list follows.
Year by year
Each year's months on the top 200 list. Pick a year to read it in the lens.
The record
- Peak rank
- #1 in 11 months, last Aug 2026
- Busiest month
- Aug 2026, 1,645 CVEs
- Months with a KEV entry
- 22 of 240 on the list
- On the top 200 list
- 240 of 270 monthly snapshots