{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-68261", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-30T09:28:09.378Z", "datePublished": "2026-08-10T12:01:35.600Z", "dateUpdated": "2026-08-17T05:01:53.453Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:01:53.453Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/imagination: fix error checking of pvr_vm_context_lookup()\n\nSince pvr_vm_context_lookup() returns either NULL or a pointer, then stop\nusing IS_ERR() for checking the return value.\n\nUsing IS_ERR() leads to the kernel oops reported below. It can be\nreproduced by passing an invalid VM context handle from userspace to the\nDRM_IOCTL_PVR_CREATE_CONTEXT ioctl.\n\n[ 92.733119] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000148\n[ 92.742042] Mem abort info:\n[ 92.744890] ESR = 0x0000000096000004\n[ 92.748686] EC = 0x25: DABT (current EL), IL = 32 bits\n[ 92.754020] SET = 0, FnV = 0\n[ 92.757154] EA = 0, S1PTW = 0\n[ 92.760337] FSC = 0x04: level 0 translation fault\n[ 92.765243] Data abort info:\n[ 92.768129] ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000\n[ 92.773626] CM = 0, WnR = 0, TnD = 0, TagAccess = 0\n[ 92.778763] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0\n[ 92.784098] user pgtable: 4k pages, 48-bit VAs, pgdp=000000088ed23000\n[ 92.790550] [0000000000000148] pgd=0000000000000000, p4d=0000000000000000\n[ 92.797381] Internal error: Oops: 0000000096000004 [#1] SMP\n[ 92.803027] Modules linked in: powervr\n[ 92.852533] CPU: 0 UID: 0 PID: 409 Comm: triangle Not tainted 7.1.0-rc5-g98b46e693b91 #1 PREEMPT\n[ 92.861385] Hardware name: Texas Instruments AM68 SK (DT)\n[ 92.866766] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n[ 92.873709] pc : pvr_vm_get_fw_mem_context+0x0/0xc [powervr]\n[ 92.879376] lr : pvr_queue_create+0x26c/0x440 [powervr]\n[ 92.884595] sp : ffff8000837fbb00\n[ 92.887895] x29: ffff8000837fbb60 x28: 0000000000000000 x27: ffff8000837fbce8\n[ 92.895015] x26: ffff000807f61a40 x25: ffff000807f61a00 x24: ffff000807f64400\n[ 92.902135] x23: ffff00080a5ab000 x22: ffff800079b24730 x21: ffff000807f61800\n[ 92.909254] x20: ffff00080999e680 x19: 0000000000000000 x18: 0000000000000000\n[ 92.916373] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000001\n[ 92.923492] x14: 0000000000000000 x13: 0000000000000002 x12: ffff80008145b298\n[ 92.930611] x11: ffff8000844e5000 x10: ffff80008165a130 x9 : 0000000000000100\n[ 92.937730] x8 : 0000000000000001 x7 : ffff0008076b27e0 x6 : ffff00080ec43b7c\n[ 92.944850] x5 : ffff00080ec43b78 x4 : 0000000000000000 x3 : ffff00080999e680\n[ 92.951968] x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000\n[ 92.959088] Call trace:\n[ 92.961521] pvr_vm_get_fw_mem_context+0x0/0xc [powervr] (P)\n[ 92.967173] pvr_context_create+0x190/0x410 [powervr]\n[ 92.972218] pvr_ioctl_create_context+0x44/0x8c [powervr]\n[ 92.977608] drm_ioctl_kernel+0xbc/0x124 [drm]\n[ 92.982127] drm_ioctl+0x1f8/0x4dc [drm]\n[ 92.986098] __arm64_sys_ioctl+0xac/0x104\n[ 92.990102] invoke_syscall+0x54/0x10c\n[ 92.993842] el0_svc_common.constprop.0+0x40/0xe0\n[ 92.998532] do_el0_svc+0x1c/0x28\n[ 93.001835] el0_svc+0x38/0x11c\n[ 93.004969] el0t_64_sync_handler+0xa0/0xe4\n[ 93.009139] el0t_64_sync+0x198/0x19c\n[ 93.012792] Code: aa1703e0 d2800014 95cb0ba4 17ffffe8 (f940a400)\n[ 93.018869] ---[ end trace 0000000000000000 ]---" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/gpu/drm/imagination/pvr_context.c" ], "versions": [ { "version": "d2d79d29bb98a32c511f7339a8e93b47544fdeac", "lessThan": "ce97192087c659f2e0c0c2a627330c7edcc9eeb3", "status": "affected", "versionType": "git" }, { "version": "d2d79d29bb98a32c511f7339a8e93b47544fdeac", "lessThan": "c45fafa69fe3f79e319369cf665da89868e3ef98", "status": "affected", "versionType": "git" }, { "version": "d2d79d29bb98a32c511f7339a8e93b47544fdeac", "lessThan": "401fbe3b6bbb6c94c24ee8843b7beed5111491ac", "status": "affected", "versionType": "git" }, { "version": "d2d79d29bb98a32c511f7339a8e93b47544fdeac", "lessThan": "cf385cf6e713eba0720651174dac0b2d2f5bb8f8", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/gpu/drm/imagination/pvr_context.c" ], "versions": [ { "version": "6.8", "status": "affected" }, { "version": "0", "lessThan": "6.8", "status": "unaffected", "versionType": "semver" }, { "version": "6.12.101", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.18.42", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver" }, { "version": "7.1.6", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "7.2", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "6.12.101" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "6.18.42" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "7.1.6" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "7.2" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/ce97192087c659f2e0c0c2a627330c7edcc9eeb3" }, { "url": "https://git.kernel.org/stable/c/c45fafa69fe3f79e319369cf665da89868e3ef98" }, { "url": "https://git.kernel.org/stable/c/401fbe3b6bbb6c94c24ee8843b7beed5111491ac" }, { "url": "https://git.kernel.org/stable/c/cf385cf6e713eba0720651174dac0b2d2f5bb8f8" } ], "title": "drm/imagination: fix error checking of pvr_vm_context_lookup()", "x_generator": { "engine": "bippy-1.2.0" } } } }