CVE-2024-50139

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Source
https://cve.org/CVERecord?id=CVE-2024-50139
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-50139.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2024-50139
Downstream
Related
Published
2024-11-07T09:31:15.925Z
Modified
2026-03-20T12:39:35.975971Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
KVM: arm64: Fix shift-out-of-bounds bug
Details

In the Linux kernel, the following vulnerability has been resolved:

KVM: arm64: Fix shift-out-of-bounds bug

Fix a shift-out-of-bounds bug reported by UBSAN when running VM with MTE enabled host kernel.

UBSAN: shift-out-of-bounds in arch/arm64/kvm/sysregs.c:1988:14 shift exponent 33 is too large for 32-bit type 'int' CPU: 26 UID: 0 PID: 7629 Comm: qemu-kvm Not tainted 6.12.0-rc2 #34 Hardware name: IEI NF5280R7/Mitchell MB, BIOS 00.00. 2024-10-12 09:28:54 10/14/2024 Call trace: dumpbacktrace+0xa0/0x128 showstack+0x20/0x38 dumpstacklvl+0x74/0x90 dumpstack+0x18/0x28 __ubsanhandleshift_outofbounds+0xf8/0x1e0 resetclidr+0x10c/0x1c8 kvmresetsysregs+0x50/0x1c8 kvmresetvcpu+0xec/0x2b0 __kvmvcpusettarget+0x84/0x158 kvmvcpusettarget+0x138/0x168 kvmarchvcpuioctlvcpuinit+0x40/0x2b0 kvmarchvcpuioctl+0x28c/0x4b8 kvmvcpuioctl+0x4bc/0x7a8 _arm64sysioctl+0xb4/0x100 invokesyscall+0x70/0x100 el0svccommon.constprop.0+0x48/0xf0 doel0svc+0x24/0x38 el0svc+0x3c/0x158 el0t64synchandler+0x120/0x130 el0t64sync+0x194/0x198

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/50xxx/CVE-2024-50139.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
7af0c2534f4c57b16e92dfca8c5f40fa90fbb3f3
Fixed
04ed2ba07ce73f323052475fbd33d647aca3ff2e
Fixed
4b9e11794d910aa55300debbac5f0adcc42c491a
Fixed
c6c167afa090ea0451f91814e1318755a8fb8bb9

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-50139.json"