CVE-2025-71232: scsi: qla2xxx: Free sp in error path to fix system crash
In the Linux kernel, the following vulnerability has been resolved:
scsi: qla2xxx: Free sp in error path to fix system crash
System crash seen during load/unload test in a loop,
[61110.449331] qla2xxx [0000:27:00.0]-0042:0: Disabled MSI-X. [61110.467494] ============================================================================= [61110.467498] BUG qla2xxxsrbs (Tainted: G OE -------- --- ): Objects remaining in qla2xxxsrbs on kmemcacheshutdown() [61110.467501] -----------------------------------------------------------------------------
[61110.467502] Slab 0x000000000ffc8162 objects=51 used=1 fp=0x00000000e25d3d85 flags=0x57ffffc0010200(slab|head|node=1|zone=2|lastcpupid=0x1fffff) [61110.467509] CPU: 53 PID: 455206 Comm: rmmod Kdump: loaded Tainted: G OE -------- --- 5.14.0-284.11.1.el92.x8664 #1 [61110.467513] Hardware name: HPE ProLiant DL385 Gen10 Plus v2/ProLiant DL385 Gen10 Plus v2, BIOS A42 08/17/2023 [61110.467515] Call Trace: [61110.467516] <TASK> [61110.467519] dumpstacklvl+0x34/0x48 [61110.467526] slaberr.cold+0x53/0x67 [61110.467534] kmemcacheshutdown+0x16e/0x320 [61110.467540] kmemcachedestroy+0x51/0x160 [61110.467544] qla2x00moduleexit+0x93/0x99 [qla2xxx] [61110.467607] ? dosysdeletemodule.constprop.0+0x178/0x280 [61110.467613] ? syscalltraceenter.constprop.0+0x145/0x1d0 [61110.467616] ? dosyscall64+0x5c/0x90 [61110.467619] ? excpagefault+0x62/0x150 [61110.467622] ? entrySYSCALL64afterhwframe+0x63/0xcd [61110.467626] </TASK> [61110.467627] Disabling lock debugging due to kernel taint [61110.467635] Object 0x0000000026f7e6e6 @offset=16000 [61110.467639] ------------[ cut here ]------------ [61110.467639] kmemcachedestroy qla2xxxsrbs: Slab cache still has objects when called from qla2x00moduleexit+0x93/0x99 [qla2xxx] [61110.467659] WARNING: CPU: 53 PID: 455206 at mm/slabcommon.c:520 kmemcachedestroy+0x14d/0x160 [61110.467718] CPU: 53 PID: 455206 Comm: rmmod Kdump: loaded Tainted: G B OE -------- --- 5.14.0-284.11.1.el92.x8664 #1 [61110.467720] Hardware name: HPE ProLiant DL385 Gen10 Plus v2/ProLiant DL385 Gen10 Plus v2, BIOS A42 08/17/2023 [61110.467721] RIP: 0010:kmemcachedestroy+0x14d/0x160 [61110.467724] Code: 99 7d 07 00 48 89 ef e8 e1 6a 07 00 eb b3 48 8b 55 60 48 8b 4c 24 20 48 c7 c6 70 fc 66 90 48 c7 c7 f8 ef a1 90 e8 e1 ed 7c 00 <0f> 0b eb 93 c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 [61110.467725] RSP: 0018:ffffa304e489fe80 EFLAGS: 00010282 [61110.467727] RAX: 0000000000000000 RBX: ffffffffc0d9a860 RCX: 0000000000000027 [61110.467729] RDX: ffff8fd5ff9598a8 RSI: 0000000000000001 RDI: ffff8fd5ff9598a0 [61110.467730] RBP: ffff8fb6aaf78700 R08: 0000000000000000 R09: 0000000100d863b7 [61110.467731] R10: ffffa304e489fd20 R11: ffffffff913bef48 R12: 0000000040002000 [61110.467731] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [61110.467733] FS: 00007f64c89fb740(0000) GS:ffff8fd5ff940000(0000) knlGS:0000000000000000 [61110.467734] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [61110.467735] CR2: 00007f0f02bfe000 CR3: 00000020ad6dc005 CR4: 0000000000770ee0 [61110.467736] PKRU: 55555554 [61110.467737] Call Trace: [61110.467738] <TASK> [61110.467739] qla2x00moduleexit+0x93/0x99 [qla2xxx] [61110.467755] ? dosysdeletemodule.constprop.0+0x178/0x280
Free sp in the error path to fix the crash.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/linuxto a version that resolves this vulnerability.Fixed in 6.1.176-1Fixed in 6.1.190-1Fixed in 6.12.107-1Fixed in 6.12.113-1Fixed in 7.2.12-1Fixed in 7.2.13-1 - Compensating control
In the Linux kernel scsi qla2xxx driver, free the sp object on the error path to prevent the system crash caused by remaining objects in the qla2xxx_srbs slab cache during module unload.
Event History
Frequently Asked Questions
What is the severity of CVE-2025-71232?
CVE-2025-71232 is classified as a high-severity vulnerability due to its potential to cause system crashes during operation.
How do I fix CVE-2025-71232?
To mitigate CVE-2025-71232, update the Linux kernel to the latest version that includes the patch for this vulnerability.
What systems are affected by CVE-2025-71232?
CVE-2025-71232 affects systems running the Linux kernel and specifically those utilizing qla2xxx drivers.
What exploitation method is used in CVE-2025-71232?
CVE-2025-71232 can be exploited during load/unload tests, leading to a system crash due to mishandling of memory.
When was CVE-2025-71232 resolved?
CVE-2025-71232 was resolved in a recent Linux kernel update, where the error path handling was improved.