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Vulnerability · Published Sep 15, 2025 · Assigned by Linux

CVE-2022-50316orangefs: Fix kmemleak in orangefs_sysfs_init()

Medium 5.5

In plain English

A medium-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.2%top 95.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: orangefs: Fix kmemleak in orangefs_sysfs_init() When insert and remove the orangefs module, there are kobjects memory leaked as below: unreferenced object 0xffff88810f95af00 (size 64): comm "insmod", pid 783, jiffies 4294813439 (age 65.512s) hex dump (first 32 bytes): a0 83 af 01 81 88 ff ff 08 af 95 0f 81 88 ff ff ................ 08 af 95 0f 81 88 ff ff 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000031ab7788>] kmalloc_trace+0x27/0xa0 [<000000005a6e4dfe>] orangefs_sysfs_init+0x42/0x3a0 [<00000000722645ca>] 0xffffffffa02780fe [<000000004232d9f7>] do_one_initcall+0x87/0x2a0 [<0000000054f22384>] do_init_module+0xdf/0x320 [<000000003263bdea>] load_module+0x2f98/0x3330 [<0000000052cd4153>] __do_sys_finit_module+0x113/0x1b0 [<00000000250ae02b>] do_syscall_64+0x35/0x80 [<00000000f11c03c7>] entry_SYSCALL_64_after_hwframe+0x46/0xb0 unreferenced object 0xffff88810f95ae80 (size 64): comm "insmod", pid 783, jiffies 4294813439 (age 65.512s) hex dump (first 32 bytes): c8 90 0f 02 81 88 ff ff 88 ae 95 0f 81 88 ff ff ................ 88 ae 95 0f 81 88 ff ff 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000031ab7788>] kmalloc_trace+0x27/0xa0 [<000000001a4841fa>] orangefs_sysfs_init+0xc7/0x3a0 [<00000000722645ca>] 0xffffffffa02780fe [<000000004232d9f7>] do_one_initcall+0x87/0x2a0 [<0000000054f22384>] do_init_module+0xdf/0x320 [<000000003263bdea>] load_module+0x2f98/0x3330 [<0000000052cd4153>] __do_sys_finit_module+0x113/0x1b0 [<00000000250ae02b>] do_syscall_64+0x35/0x80 [<00000000f11c03c7>] entry_SYSCALL_64_after_hwframe+0x46/0xb0 unreferenced object 0xffff88810f95ae00 (size 64): comm "insmod", pid 783, jiffies 4294813440 (age 65.511s) hex dump (first 32 bytes): 60 87 a1 00 81 88 ff ff 08 ae 95 0f 81 88 ff ff `............... 08 ae 95 0f 81 88 ff ff 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000031ab7788>] kmalloc_trace+0x27/0xa0 [<000000005915e797>] orangefs_sysfs_init+0x12b/0x3a0 [<00000000722645ca>] 0xffffffffa02780fe [<000000004232d9f7>] do_one_initcall+0x87/0x2a0 [<0000000054f22384>] do_init_module+0xdf/0x320 [<000000003263bdea>] load_module+0x2f98/0x3330 [<0000000052cd4153>] __do_sys_finit_module+0x113/0x1b0 [<00000000250ae02b>] do_syscall_64+0x35/0x80 [<00000000f11c03c7>] entry_SYSCALL_64_after_hwframe+0x46/0xb0 unreferenced object 0xffff88810f95ad80 (size 64): comm "insmod", pid 783, jiffies 4294813440 (age 65.511s) hex dump (first 32 bytes): 78 90 0f 02 81 88 ff ff 88 ad 95 0f 81 88 ff ff x............... 88 ad 95 0f 81 88 ff ff 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000031ab7788>] kmalloc_trace+0x27/0xa0 [<000000007a14eb35>] orangefs_sysfs_init+0x1ac/0x3a0 [<00000000722645ca>] 0xffffffffa02780fe [<000000004232d9f7>] do_one_initcall+0x87/0x2a0 [<0000000054f22384>] do_init_module+0xdf/0x320 [<000000003263bdea>] load_module+0x2f98/0x3330 [<0000000052cd4153>] __do_sys_finit_module+0x113/0x1b0 [<00000000250ae02b>] do_syscall_64+0x35/0x80 [<00000000f11c03c7>] entry_SYSCALL_64_after_hwframe+0x46/0xb0 unreferenced object 0xffff88810f95ac00 (size 64): comm "insmod", pid 783, jiffies 4294813440 (age 65.531s) hex dump (first 32 bytes): e0 ff 67 02 81 88 ff ff 08 ac 95 0f 81 88 ff ff ..g............. 08 ac 95 0f 81 88 ff ff 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000031ab7788>] kmalloc_trace+0x27/0xa0 [<000000001f38adcb>] orangefs_sysfs_init+0x291/0x3a0 [<00000000722645ca>] 0xffffffffa02780fe [<000000004232d9f7>] do_one_initcall+0x87/0x2a0 [<0000000054f22384>] do_init_module+0xdf/0x320 [<000000003263bdea>] load_module+0x2f98/0x3330 [<0000000052cd4153>] __do_sys_finit_module+0x113/0x1b0 [<00000000250ae02b>] do_syscall_64+0x35/ ---truncated---

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.4-1DEBIAN-CVE-2022-50316
Debian:13linux6.1.4-1DEBIAN-CVE-2022-50316
Debian:14linux6.1.4-1DEBIAN-CVE-2022-50316
Ubuntu:22.04:LTSlinuxno fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-awsno fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-azureno fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2022-50316
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2022-50316
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2022-50316
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2022-50316
Ubuntu:24.04:LTSlinux-intelno fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-intel-iotgno fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-kvmno fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2022-50316
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-nvidia-tegra-igxno fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2022-50316
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2022-50316
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-raspino fix listedUBUNTU-CVE-2022-50316
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-50316
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-50316
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2022-50316
Ubuntu:22.04:LTSlinux-xilinx-zynqmpno fix listedUBUNTU-CVE-2022-50316

Affected products (as reported)

VendorProductVersions
Linux Linux dc3012a7afb529f3306c880be379b3021892279e – before 9ce4ba7fff5af36da82dc5964221367630621b99dc3012a7afb529f3306c880be379b3021892279e – before 22409490294180c39be7dd0e5b2667d41556307ddc3012a7afb529f3306c880be379b3021892279e – before 1f2c0e8a587bcafad85019a2d80f158d8d41a868
Linux Linux 4.9

References