{ "affected": [ { "ranges": [ { "events": [ { "introduced": "5ba3f757f0592ca001266b4a6214d0332349909c" }, { "fixed": "feb17524aa4ec337749344be0db52b88663e25ab" }, { "fixed": "1a1360264f699521e001e7739009ee3ee3c6a4f5" }, { "fixed": "21fade52ab9fb13368a5709e60b0d9909197aeae" }, { "fixed": "b4cf91658a636618f1437beec971dec25dec28eb" }, { "fixed": "7254b31a13aaa0c2c0f9ffbc335b718656117ff4" } ], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "type": "GIT" } ] }, { "package": { "ecosystem": "Linux", "name": "Kernel" }, "ranges": [ { "events": [ { "introduced": "2.6.39" }, { "fixed": "6.6.140" } ], "type": "ECOSYSTEM" }, { "events": [ { "introduced": "6.7.0" }, { "fixed": "6.12.90" } ], "type": "ECOSYSTEM" }, { "events": [ { "introduced": "6.13.0" }, { "fixed": "6.18.32" } ], "type": "ECOSYSTEM" }, { "events": [ { "introduced": "6.19.0" }, { "fixed": "7.0.9" } ], "type": "ECOSYSTEM" } ] } ], "database_specific": { "cna_assigner": "Linux", "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46312.json" }, "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: videobuf2: Set vma_flags in vb2_dma_sg_mmap\n\nvb2_dma_contig sets VMA flags VM_DONTEXPAND and VM_DONTDUMP and I do not\nsee a reason why vb2_dma_sg should behave differently. This avoids\nhitting `WARN_ON(!(vma-\u003evm_flags \u0026 VM_DONTEXPAND));` in\ndrm_gem_mmap_obj() during mmap() of an imported dma-buf from the out of\ntree Apple ISP camera capture driver which uses vb2_dma_sg_memops.\n\ngst-launch-1.0 v4l2src ! gtk4paintablesink\n\n[ 38.201528] ------------[ cut here ]------------\n[ 38.202135] WARNING: CPU: 7 PID: 2362 at drivers/gpu/drm/drm_gem.c:1144 drm_gem_mmap_obj+0x1f8/0x210\n[ 38.203278] Modules linked in: rfcomm snd_seq_dummy snd_hrtimer\nsnd_seq snd_seq_device uinput nf_conntrack_netbios_ns\nnf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib\nnft_reject_inet nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat\nnf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables qrtr bnep\nnls_ascii i2c_dev loop fuse dm_multipath nfnetlink brcmfmac_wcc\nhid_magicmouse hci_bcm4377 brcmfmac brcmutil bluetooth ecdh_generic\ncfg80211 ecc btrfs xor xor_neon rfkill hid_apple raid6_pq joydev\naop_als apple_nvmem_spmi industrialio snd_soc_aop apple_z2\nsnd_soc_cs42l84 tps6598x snd_soc_tas2764 macsmc_reboot spi_nor\nmacsmc_hwmon rtc_macsmc gpio_macsmc macsmc_power regmap_spmi\nmacsmc_input dockchannel_hid panel_summit appledrm nvme_apple dwc3\nsnd_soc_macaudio drm_client_lib nvme_core phy_apple_atc hwmon\napple_sart apple_dockchannel macsmc apple_rtkit_helper\nspmi_apple_controller aop apple_wdt mfd_core nvmem_apple_efuses\npinctrl_apple_gpio apple_isp apple_dcp videobuf2_dma_sg mux_core\nspi_apple\n[ 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\n[ 38.217677] CPU: 7 UID: 1000 PID: 2362 Comm: gst-launch-1.0 Tainted: G W 6.17.6+ #asahi-dev PREEMPT(full)\n[ 38.219040] Tainted: [W]=WARN\n[ 38.219398] Hardware name: Apple MacBook Pro (13-inch, M2, 2022) (DT)\n[ 38.220213] pstate: 21400005 (nzCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)\n[ 38.221088] pc : drm_gem_mmap_obj+0x1f8/0x210\n[ 38.221643] lr : drm_gem_mmap_obj+0x78/0x210\n[ 38.222178] sp : ffffc0008dc678e0\n[ 38.222579] x29: ffffc0008dc678e0 x28: 0000000000042a97 x27: ffff8000b701b480\n[ 38.223465] x26: 00000000000000fb x25: ffffc0008dc67d20 x24: ffffc0008dc67968\n[ 38.224402] x23: ffff8000e3ca5600 x22: ffff8000265b7800 x21: ffff80003000c0c0\n[ 38.225279] x20: 0000000000000000 x19: ffff8000b68c5200 x18: ffffc0008dc67968\n[ 38.226151] x17: 0000000000000000 x16: 0000000000000000 x15: ffffc000810a30a8\n[ 38.227042] x14: 00007fff637effff x13: 00005555de91ffff x12: 00007fff63293fff\n[ 38.227942] x11: 0000000000000000 x10: ffff8000184ecf08 x9 : ffffc0007a1900c8\n[ 38.228824] x8 : ffffc0008dc67968 x7 : 0000000000000012 x6 : ffffc0015cf1c000\n[ 38.229703] x5 : ffffc0008dc676a0 x4 : ffffc00081a27dc0 x3 : 0000000000000038\n[ 38.230607] x2 : 0000000000000003 x1 : 0000000000000003 x0 : 00000000100000fb\n[ 38.231488] Call trace:\n[ 38.231806] drm_gem_mmap_obj+0x1f8/0x210 (P)\n[ 38.232342] drm_gem_mmap+0x140/0x260\n[ 38.232813] __mmap_region+0x488/0x9a0\n[ 38.233277] mmap_region+0xd0/0x148\n[ 38.233703] do_mmap+0x350/0x5c0\n[ 38.234148] vm_mmap_pgoff+0x14c/0x200\n[ 38.234612] ksys_mmap_pgoff+0x150/0x208\n[ 38.235107] __arm64_sys_mmap+0x34/0x50\n[ 38.235611] invoke_syscall+0x50/0x120\n[ 38.236075] el0_svc_common.constprop.0+0x48/0xf0\n[ 38.236680] do_el0_svc+0x24/0x38\n[ 38.237113] el0_svc+0x38/0x168\n[ 38.237507] el0t_64_sync_handler+0xa0/0xe8\n[ 38.238034] el0t_64_sync+0x198/0x1a0\n[ 38.238491] ---[ end trace 0000000000000000 ]---\n\nThere were discussions in [1] at the end of 2023 that mmap() on imported\n---truncated---", "id": "CVE-2026-46312", "modified": "2026-07-10T03:54:46.236864161Z", "published": "2026-06-08T15:50:42.964Z", "references": [ { "type": "WEB", "url": "https://git.kernel.org/stable/c/1a1360264f699521e001e7739009ee3ee3c6a4f5" }, { "type": "WEB", "url": "https://git.kernel.org/stable/c/21fade52ab9fb13368a5709e60b0d9909197aeae" }, { "type": "WEB", "url": "https://git.kernel.org/stable/c/7254b31a13aaa0c2c0f9ffbc335b718656117ff4" }, { "type": "WEB", "url": "https://git.kernel.org/stable/c/b4cf91658a636618f1437beec971dec25dec28eb" }, { "type": "WEB", "url": "https://git.kernel.org/stable/c/feb17524aa4ec337749344be0db52b88663e25ab" }, { "type": "ADVISORY", "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46312.json" }, { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46312" }, { "type": "PACKAGE", "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git" } ], "schema_version": "1.7.5", "summary": "media: videobuf2: Set vma_flags in vb2_dma_sg_mmap" }