Linux Kernel CVE Statistics

838 Linux Kernel CVEs in July 2026

Full month · Source: NIST NVD

June 2026 August 2026

In July 2026, 838 Linux kernel CVEs were published, sourced from the NIST National Vulnerability Database. Of these, 88 were rated Critical, 378 were rated High severity and 120 Medium. No CVEs from this month have been confirmed as actively exploited via the CISA KEV catalog. July's 838 CVEs represent 22% of all 2026 Linux kernel CVEs , up from June's 514 (a 63% month-over-month increase) .

838
Total CVEs
88
Critical
378
High
120
Medium
0
Low
0
KEV Exploited
All CVEs — July 2026 838 CVEs
All (838) Critical (88) High (378) Medium (120) Low (0)
CVE ID Package Severity CVSS Published Description
CVE-2022-4994 linux Awaiting NVD 2026-07-30 In the Linux kernel, the following vulnerability has been resolved: KVM: x86: wean fast IN from emulator_pio_in Use __e…
CVE-2026-64538 linux Awaiting NVD 2026-07-27 In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix null-ptr-deref in fib6_nh_mtu_change(). f…
CVE-2026-64544 linux Awaiting NVD 2026-07-27 In the Linux kernel, the following vulnerability has been resolved: crypto: asymmetric_keys - fix OOB read in pefile_di…
CVE-2026-64537 linux Awaiting NVD 2026-07-27 In the Linux kernel, the following vulnerability has been resolved: bridge: cfm: reject invalid CCM interval at configu…
CVE-2026-64553 linux Awaiting NVD 2026-07-27 In the Linux kernel, the following vulnerability has been resolved: net: psample: fix info leak in PSAMPLE_ATTR_DATA ps…
CVE-2026-64549 linux Awaiting NVD 2026-07-27 In the Linux kernel, the following vulnerability has been resolved: Bluetooth: bpa10x: avoid OOB read of revision strin…
CVE-2026-64542 linux Awaiting NVD 2026-07-27 In the Linux kernel, the following vulnerability has been resolved: ipv6: ndisc: fix NULL deref in accept_untracked_na(…
CVE-2026-64461 linux Awaiting NVD 2026-07-25 In the Linux kernel, the following vulnerability has been resolved: PCI: mediatek: Fix IRQ domain leak when port fails …
CVE-2026-64503 linux Awaiting NVD 2026-07-25 In the Linux kernel, the following vulnerability has been resolved: iio: accel: kxsd9: fix runtime PM imbalance on writ…
CVE-2026-64521 linux Awaiting NVD 2026-07-25 In the Linux kernel, the following vulnerability has been resolved: pinctrl: meson: amlogic-a4: fix deadlock issue Acce…
CVE-2026-64344 linux Awaiting NVD 2026-07-25 In the Linux kernel, the following vulnerability has been resolved: USB: idmouse: fix use-after-free on disconnect race…
CVE-2026-64493 linux Awaiting NVD 2026-07-25 In the Linux kernel, the following vulnerability has been resolved: iio: pressure: mpl115: fix runtime PM leak on read …
CVE-2026-64500 linux Awaiting NVD 2026-07-25 In the Linux kernel, the following vulnerability has been resolved: iio: adc: lpc32xx: Initialize completion before req…
CVE-2026-64518 linux Awaiting NVD 2026-07-25 In the Linux kernel, the following vulnerability has been resolved: tcp: Fix out-of-bounds access for twsk in tcp_ao_es…
CVE-2026-64457 linux Awaiting NVD 2026-07-25 In the Linux kernel, the following vulnerability has been resolved: virtio_pci: fix vq info pointer lookup via wrong in…

Frequently Asked Questions

How many Linux kernel CVEs were published in July 2026?

838 Linux kernel CVEs were published in July 2026, sourced from the NIST National Vulnerability Database. Of these, 88 were rated Critical severity, 378 High, and 120 Medium. 252 CVEs are still awaiting NVD severity scoring.

How does July 2026 compare to other months?

July 2026's 838 CVEs represent 22% of all 2026 Linux kernel CVEs. Compared to June's 514 CVEs, this was a 63% increase month-over-month. View the full 2026 breakdown →

June 2026 2026 statistics August 2026