CVSS: -EPSS: 0%CPEs: 2EXPL: 0CVE-2024-44981 – workqueue: Fix UBSAN 'subtraction overflow' error in shift_and_mask()
https://notcve.org/view.php?id=CVE-2024-44981
In the Linux kernel, the following vulnerability has been resolved: workqueue: Fix UBSAN 'subtraction overflow' error in shift_and_mask() UBSAN reports the following 'subtraction overflow' error when booting in a virtual machine on Android: | Internal error: UBSAN: integer subtraction overflow: 00000000f2005515 [#1] PREEMPT SMP | Modules linked in: | CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.10.0-00006-g3cbe9e5abd46-dirty #4 | Hardware name: linux,dummy-virt (DT) | pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--) | pc : cancel_delayed_work+0x34/0x44 | lr : cancel_delayed_work+0x2c/0x44 | sp : ffff80008002ba60 | x29: ffff80008002ba60 x28: 0000000000000000 x27: 0000000000000000 | x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000 | x23: 0000000000000000 x22: 0000000000000000 x21: ffff1f65014cd3c0 | x20: ffffc0e84c9d0da0 x19: ffffc0e84cab3558 x18: ffff800080009058 | x17: 00000000247ee1f8 x16: 00000000247ee1f8 x15: 00000000bdcb279d | x14: 0000000000000001 x13: 0000000000000075 x12: 00000a0000000000 | x11: ffff1f6501499018 x10: 00984901651fffff x9 : ffff5e7cc35af000 | x8 : 0000000000000001 x7 : 3d4d455453595342 x6 : 000000004e514553 | x5 : ffff1f6501499265 x4 : ffff1f650ff60b10 x3 : 0000000000000620 | x2 : ffff80008002ba78 x1 : 0000000000000000 x0 : 0000000000000000 | Call trace: | cancel_delayed_work+0x34/0x44 | deferred_probe_extend_timeout+0x20/0x70 | driver_register+0xa8/0x110 | __platform_driver_register+0x28/0x3c | syscon_init+0x24/0x38 | do_one_initcall+0xe4/0x338 | do_initcall_level+0xac/0x178 | do_initcalls+0x5c/0xa0 | do_basic_setup+0x20/0x30 | kernel_init_freeable+0x8c/0xf8 | kernel_init+0x28/0x1b4 | ret_from_fork+0x10/0x20 | Code: f9000fbf 97fffa2f 39400268 37100048 (d42aa2a0) | ---[ end trace 0000000000000000 ]--- | Kernel panic - not syncing: UBSAN: integer subtraction overflow: Fatal exception This is due to shift_and_mask() using a signed immediate to construct the mask and being called with a shift of 31 (WORK_OFFQ_POOL_SHIFT) so that it ends up decrementing from INT_MIN. Use an unsigned constant '1U' to generate the mask in shift_and_mask(). • https://git.kernel.org/stable/c/1211f3b21c2aa0d22d8d7f050e3a5930a91cd0e4 https://git.kernel.org/stable/c/90a6a844b2d9927d192758438a4ada33d8cd9de5 https://git.kernel.org/stable/c/38f7e14519d39cf524ddc02d4caee9b337dad703 •
CVSS: -EPSS: 0%CPEs: 2EXPL: 0CVE-2024-44980 – drm/xe: Fix opregion leak
https://notcve.org/view.php?id=CVE-2024-44980
In the Linux kernel, the following vulnerability has been resolved: drm/xe: Fix opregion leak Being part o the display, ideally the setup and cleanup would be done by display itself. However this is a bigger refactor that needs to be done on both i915 and xe. For now, just fix the leak: unreferenced object 0xffff8881a0300008 (size 192): comm "modprobe", pid 4354, jiffies 4295647021 hex dump (first 32 bytes): 00 00 87 27 81 88 ff ff 18 80 9b 00 00 c9 ff ff ...'............ 18 81 9b 00 00 c9 ff ff 00 00 00 00 00 00 00 00 ................ backtrace (crc 99260e31): [<ffffffff823ce65b>] kmemleak_alloc+0x4b/0x80 [<ffffffff81493be2>] kmalloc_trace_noprof+0x312/0x3d0 [<ffffffffa1345679>] intel_opregion_setup+0x89/0x700 [xe] [<ffffffffa125bfaf>] xe_display_init_noirq+0x2f/0x90 [xe] [<ffffffffa1199ec3>] xe_device_probe+0x7a3/0xbf0 [xe] [<ffffffffa11f3713>] xe_pci_probe+0x333/0x5b0 [xe] [<ffffffff81af6be8>] local_pci_probe+0x48/0xb0 [<ffffffff81af8778>] pci_device_probe+0xc8/0x280 [<ffffffff81d09048>] really_probe+0xf8/0x390 [<ffffffff81d0937a>] __driver_probe_device+0x8a/0x170 [<ffffffff81d09503>] driver_probe_device+0x23/0xb0 [<ffffffff81d097b7>] __driver_attach+0xc7/0x190 [<ffffffff81d0628d>] bus_for_each_dev+0x7d/0xd0 [<ffffffff81d0851e>] driver_attach+0x1e/0x30 [<ffffffff81d07ac7>] bus_add_driver+0x117/0x250 (cherry picked from commit 6f4e43a2f771b737d991142ec4f6d4b7ff31fbb4) • https://git.kernel.org/stable/c/44e694958b95395bd1c41508c88c8ca141bf9bd7 https://git.kernel.org/stable/c/f7ecdd9853dd9f34e7cdfdadfb70b8f40644ebb4 https://git.kernel.org/stable/c/f4b2a0ae1a31fd3d1b5ca18ee08319b479cf9b5f •
CVSS: -EPSS: 0%CPEs: 2EXPL: 0CVE-2024-44979 – drm/xe: Fix missing workqueue destroy in xe_gt_pagefault
https://notcve.org/view.php?id=CVE-2024-44979
In the Linux kernel, the following vulnerability has been resolved: drm/xe: Fix missing workqueue destroy in xe_gt_pagefault On driver reload we never free up the memory for the pagefault and access counter workqueues. Add those destroy calls here. (cherry picked from commit 7586fc52b14e0b8edd0d1f8a434e0de2078b7b2b) • https://git.kernel.org/stable/c/dd08ebf6c3525a7ea2186e636df064ea47281987 https://git.kernel.org/stable/c/b09ef3b762a7fc641fb2f89afd3ebdb65b8ba1b9 https://git.kernel.org/stable/c/a6f78359ac75f24cac3c1bdd753c49c1877bcd82 •
CVSS: -EPSS: 0%CPEs: 2EXPL: 0CVE-2024-44978 – drm/xe: Free job before xe_exec_queue_put
https://notcve.org/view.php?id=CVE-2024-44978
In the Linux kernel, the following vulnerability has been resolved: drm/xe: Free job before xe_exec_queue_put Free job depends on job->vm being valid, the last xe_exec_queue_put can destroy the VM. Prevent UAF by freeing job before xe_exec_queue_put. (cherry picked from commit 32a42c93b74c8ca6d0915ea3eba21bceff53042f) • https://git.kernel.org/stable/c/dd08ebf6c3525a7ea2186e636df064ea47281987 https://git.kernel.org/stable/c/98aa0330f200b9b8fb9e1298e006eda57a13351c https://git.kernel.org/stable/c/9e7f30563677fbeff62d368d5d2a5ac7aaa9746a •
CVSS: -EPSS: 0%CPEs: 4EXPL: 0CVE-2024-44977 – drm/amdgpu: Validate TA binary size
https://notcve.org/view.php?id=CVE-2024-44977
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Validate TA binary size Add TA binary size validation to avoid OOB write. (cherry picked from commit c0a04e3570d72aaf090962156ad085e37c62e442) • https://git.kernel.org/stable/c/5ab8793b9a6cc059f503cbe6fe596f80765e0f19 https://git.kernel.org/stable/c/50553ea7cbd3344fbf40afb065f6a2d38171c1ad https://git.kernel.org/stable/c/e562415248f402203e7fb6d8c38c1b32fa99220f https://git.kernel.org/stable/c/c99769bceab4ecb6a067b9af11f9db281eea3e2a •