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CVE-2026-46312: Linux

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CVSS

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Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)

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    Оригинално описание

    In the Linux kernel, the following vulnerability has been resolved: media: videobuf2: Set vma_flags in vb2_dma_sg_mmap vb2_dma_contig sets VMA flags VM_DONTEXPAND and VM_DONTDUMP and I do not see a reason why vb2_dma_sg should behave differently. This avoids hitting `WARN_ON(!(vma->vm_flags & VM_DONTEXPAND));` in drm_gem_mmap_obj() during mmap() of an imported dma-buf from the out of tree Apple ISP camera capture driver which uses vb2_dma_sg_memops. gst-launch-1.0 v4l2src ! gtk4paintablesink [ 38.201528] ------------[ cut here ]------------ [ 38.202135] WARNING: CPU: 7 PID: 2362 at drivers/gpu/drm/drm_gem.c:1144 drm_gem_mmap_obj+0x1f8/0x210 [ 38.203278] Modules linked in: rfcomm snd_seq_dummy snd_hrtimer snd_seq snd_seq_device uinput nf_conntrack_netbios_ns nf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables qrtr bnep nls_ascii i2c_dev loop fuse dm_multipath nfnetlink brcmfmac_wcc hid_magicmouse hci_bcm4377 brcmfmac brcmutil bluetooth ecdh_generic cfg80211 ecc btrfs xor xor_neon rfkill hid_apple raid6_pq joydev aop_als apple_nvmem_spmi industrialio snd_soc_aop apple_z2 snd_soc_cs42l84 tps6598x snd_soc_tas2764 macsmc_reboot spi_nor macsmc_hwmon rtc_macsmc gpio_macsmc macsmc_power regmap_spmi macsmc_input dockchannel_hid panel_summit appledrm nvme_apple dwc3 snd_soc_macaudio drm_client_lib nvme_core phy_apple_atc hwmon apple_sart apple_dockchannel macsmc apple_rtkit_helper spmi_apple_controller aop apple_wdt mfd_core nvmem_apple_efuses pinctrl_apple_gpio apple_isp apple_dcp videobuf2_dma_sg mux_core spi_apple [ 38.203300] videobuf2_memops i2c_pasemi_platform snd_soc_apple_mca videobuf2_v4l2 videodev clk_apple_nco videobuf2_common snd_pcm_dmaengine adpdrm asahi apple_admac adpdrm_mipi drm_dma_helper pwm_apple i2c_pasemi_core drm_display_helper mc cec apple_dart ofpart apple_soc_cpufreq leds_pwm phram [ 38.217677] CP

    Засегнати продукти

    • Linux Linux: 5ba3f757f0592ca001266b4a6214d0332349909c преди feb34085774d7b6d09265883782160100c5aac28; 5ba3f757f0592ca001266b4a6214d0332349909c преди feb17524aa4ec337749344be0db52b88663e25ab; 5ba3f757f0592ca001266b4a6214d0332349909c преди 1a1360264f699521e001e7739009ee3ee3c6a4f5; 5ba3f757f0592ca001266b4a6214d0332349909c преди 21fade52ab9fb13368a5709e60b0d9909197aeae; 5ba3f757f0592ca001266b4a6214d0332349909c преди b4cf91658a636618f1437beec971dec25dec28eb; 5ba3f757f0592ca001266b4a6214d0332349909c преди 7254b31a13aaa0c2c0f9ffbc335b718656117ff4
    • Linux Linux: 2.6.39; преди 2.6.39; 6.1.191 до 6.1.*; 6.6.140 до 6.6.*; 6.12.90 до 6.12.*; 6.18.32 до 6.18.*; 7.0.9 до 7.0.*; 7.1 до *

    История

    • 8 юни 2026 Публикувано

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    CVE-2026-46312: Linux | freedomonline.bg