CVE-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 •
CVE-2024-33035 – Integer Overflow or Wraparound in Display
https://notcve.org/view.php?id=CVE-2024-33035
Memory corruption while calculating total metadata size when a very high reserved size is requested by gralloc clients. • https://docs.qualcomm.com/product/publicresources/securitybulletin/september-2024-bulletin.html • CWE-190: Integer Overflow or Wraparound •
CVE-2024-28044 – Liteos-A has an integer overflow vulnerability
https://notcve.org/view.php?id=CVE-2024-28044
in OpenHarmony v4.1.0 and prior versions allow a local attacker cause crash through integer overflow. en OpenHarmony v4.1.0 y versiones anteriores, se permite que un atacante local provoque un bloqueo a través de un desbordamiento de enteros. • https://gitee.com/openharmony/security/blob/master/zh/security-disclosure/2024/2024-09.md • CWE-190: Integer Overflow or Wraparound •
CVE-2024-45490 – libexpat: Negative Length Parsing Vulnerability in libexpat
https://notcve.org/view.php?id=CVE-2024-45490
An issue was discovered in libexpat before 2.6.3. xmlparse.c does not reject a negative length for XML_ParseBuffer. A flaw was found in libexpat's xmlparse.c component. This vulnerability allows an attacker to cause improper handling of XML data by providing a negative length value to the XML_ParseBuffer function. • https://github.com/libexpat/libexpat/issues/887 https://github.com/libexpat/libexpat/pull/890 https://access.redhat.com/security/cve/CVE-2024-45490 https://bugzilla.redhat.com/show_bug.cgi?id=2308615 • CWE-190: Integer Overflow or Wraparound •
CVE-2024-45491 – libexpat: Integer Overflow or Wraparound
https://notcve.org/view.php?id=CVE-2024-45491
An issue was discovered in libexpat before 2.6.3. dtdCopy in xmlparse.c can have an integer overflow for nDefaultAtts on 32-bit platforms (where UINT_MAX equals SIZE_MAX). An issue was found in libexpat’s internal dtdCopy function in xmlparse.c, It can have an integer overflow for nDefaultAtts on 32-bit platforms where UINT_MAX equals SIZE_MAX. • https://github.com/libexpat/libexpat/issues/888 https://github.com/libexpat/libexpat/pull/891 https://access.redhat.com/security/cve/CVE-2024-45491 https://bugzilla.redhat.com/show_bug.cgi?id=2308616 • CWE-190: Integer Overflow or Wraparound •