Comment 11 for bug 1846539

awk -f scripts/ver_linux
If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.

Linux pixie 5.2.1-arch1-1-ARCH #1 SMP PREEMPT Sun Jul 14 14:52:52 UTC 2019 x86_64 GNU/Linux

GNU C 9.1.0
GNU Make 4.2.1
Binutils 2.32
Util-linux 2.34
Mount 2.34
Module-init-tools 26
E2fsprogs 1.45.3
Jfsutils 1.1.15
Reiserfsprogs 3.6.27
Xfsprogs 4.20.0
Linux C Library 2.29
Dynamic linker (ldd) 2.29
Linux C++ Library 6.0.26
Procps 3.3.15
Kbd 2.0.4
Console-tools 2.0.4
Sh-utils 8.31
Udev 242
Modules Loaded 8021q ac ac97_bus aesni_intel aes_x86_64 agpgart ahci arc4 atkbd atmel_mxt_ts battery ccm cfg80211 chromeos_laptop cmdlinepart coretemp crc16 crc32c_generic crc32c_intel crc32_pclmul crct10dif_pclmul cros_ec_core cros_ec_lpcs cros_kbd_led_backlight cryptd crypto_simd drm drm_kms_helper evdev ext4 fat fb_sys_fops garp ghash_clmulni_intel glue_helper gpio_lynxpoint i2c_algo_bit i8042 i915 input_leds intel_cstate intel_gtt intel_pch_thermal intel_powerclamp intel_rapl intel_rapl_perf intel_spi intel_spi_platform intel_uncore ip_tables irqbypass iTCO_vendor_support iTCO_wdt iwlmvm iwlwifi jbd2 joydev kvm kvm_intel libahci libata libps2 llc lpc_ich lz4 lz4_compress mac80211 mac_hid mbcache media mei mei_me mousedev mrp msr mtd nls_cp437 nls_iso8859_1 ofpart pcc_cpufreq pcspkr rfkill rng_core scsi_mod sd_mod serio serio_raw snd snd_compress snd_hda_codec snd_hda_codec_hdmi snd_hda_core snd_hda_intel snd_hwdep snd_pcm snd_pcm_dmaengine snd_soc_acpi snd_soc_acpi_intel_match snd_soc_core snd_soc_rl6231 snd_soc_rt5677 snd_soc_rt5677_spi snd_soc_sst_acpi snd_soc_sst_bdw_rt5677_mach snd_soc_sst_dsp snd_soc_sst_firmware snd_soc_sst_haswell_pcm snd_soc_sst_ipc snd_sof snd_sof_intel_bdw snd_sof_intel_byt snd_sof_intel_ipc snd_sof_xtensa_dsp snd_timer sof_acpi_dev soundcore spi_nor spi_pxa2xx_platform stp syscopyarea sysfillrect sysimgblt tpm tpm_tis tpm_tis_core uvcvideo vfat videobuf2_common videobuf2_memops videobuf2_v4l2 videobuf2_vmalloc videodev x86_pkg_temp_thermal xhci_hcd xhci_pci x_tables