CVE-2022-50529

test_firmware: fix memory leak in test_firmware_init()

State: Published
Severity: Not scored
Published: Oct 7, 2025
Updated: May 11, 2026
Reserved: Oct 7, 2025

Description

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

test_firmware: fix memory leak in test_firmware_init()

When misc_register() failed in test_firmware_init(), the memory pointed by test_fw_config->name is not released. The memory leak information is as follows: unreferenced object 0xffff88810a34cb00 (size 32): comm "insmod", pid 7952, jiffies 4294948236 (age 49.060s) hex dump (first 32 bytes): 74 65 73 74 2d 66 69 72 6d 77 61 72 65 2e 62 69 test-firmware.bi 6e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 n............... backtrace: [<ffffffff81b21fcb>] __kmalloc_node_track_caller+0x4b/0xc0 [<ffffffff81affb96>] kstrndup+0x46/0xc0 [<ffffffffa0403a49>] __test_firmware_config_init+0x29/0x380 [test_firmware] [<ffffffffa040f068>] 0xffffffffa040f068 [<ffffffff81002c41>] do_one_initcall+0x141/0x780 [<ffffffff816a72c3>] do_init_module+0x1c3/0x630 [<ffffffff816adb9e>] load_module+0x623e/0x76a0 [<ffffffff816af471>] __do_sys_finit_module+0x181/0x240 [<ffffffff89978f99>] do_syscall_64+0x39/0xb0 [<ffffffff89a0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	c92316bf8e94830a0225f2e904cbdbd173768419 to before ed5cbafaf7ce8b86f19998c00eb020c8d49b017fAffected c92316bf8e94830a0225f2e904cbdbd173768419 to before 04dd47a2e169f2d4489636afa07ff0469aab49abAffected c92316bf8e94830a0225f2e904cbdbd173768419 to before 628de998a3abfffb3f9677d2fb39a1d5dcb32fdbAffected c92316bf8e94830a0225f2e904cbdbd173768419 to before 0b5a89e8bce1ea43687742b4de8e216189ff94acAffected c92316bf8e94830a0225f2e904cbdbd173768419 to before 357379d504c0c8b0834e206ad8c49e4b3c98ed4dAffected c92316bf8e94830a0225f2e904cbdbd173768419 to before 8d8c1d6a430f0aadb80036e2b1bc0a05f9fad247Affected c92316bf8e94830a0225f2e904cbdbd173768419 to before 6dd5fbd243f19f087dc79481acb7d69fb57fea2cAffected c92316bf8e94830a0225f2e904cbdbd173768419 to before 7610615e8cdb3f6f5bbd9d8e7a5d8a63e3cabf2eAffected
LinuxLinux	4.14Affected before 4.14Not affected 4.14.303 through 4.14.Not affected 4.19.270 through 4.19.Not affected 5.4.229 through 5.4.Not affected 5.10.163 through 5.10.Not affected 5.15.86 through 5.15.Not affected 6.0.16 through 6.0.Not affected 6.1.2 through 6.1.*Not affected 6.2 and laterNot affected

Product

Versions

LinuxLinux

c92316bf8e94830a0225f2e904cbdbd173768419 to before ed5cbafaf7ce8b86f19998c00eb020c8d49b017fAffected
c92316bf8e94830a0225f2e904cbdbd173768419 to before 04dd47a2e169f2d4489636afa07ff0469aab49abAffected
c92316bf8e94830a0225f2e904cbdbd173768419 to before 628de998a3abfffb3f9677d2fb39a1d5dcb32fdbAffected
c92316bf8e94830a0225f2e904cbdbd173768419 to before 0b5a89e8bce1ea43687742b4de8e216189ff94acAffected
c92316bf8e94830a0225f2e904cbdbd173768419 to before 357379d504c0c8b0834e206ad8c49e4b3c98ed4dAffected
c92316bf8e94830a0225f2e904cbdbd173768419 to before 8d8c1d6a430f0aadb80036e2b1bc0a05f9fad247Affected
c92316bf8e94830a0225f2e904cbdbd173768419 to before 6dd5fbd243f19f087dc79481acb7d69fb57fea2cAffected
c92316bf8e94830a0225f2e904cbdbd173768419 to before 7610615e8cdb3f6f5bbd9d8e7a5d8a63e3cabf2eAffected

LinuxLinux

4.14Affected
before 4.14Not affected
4.14.303 through 4.14.*Not affected
4.19.270 through 4.19.*Not affected
5.4.229 through 5.4.*Not affected
5.10.163 through 5.10.*Not affected
5.15.86 through 5.15.*Not affected
6.0.16 through 6.0.*Not affected
6.1.2 through 6.1.*Not affected
6.2 and laterNot affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.