Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/cma: Fix kmemleak in rdma_core observed during blktests nvme/rdma use siw When running blktests nvme/rdma, the following kmemleak issue will appear. kmemleak: Kernel memory leak detector initialized (mempool available:36041) kmemleak: Automatic memory scanning thread started kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) kmemleak: 8 new suspected memory leaks (see /sys/kernel/debug/kmemleak) kmemleak: 17 new suspected memory leaks (see /sys/kernel/debug/kmemleak) kmemleak: 4 new suspected memory leaks (see /sys/kernel/debug/kmemleak) unreferenced object 0xffff88855da53400 (size 192): comm "rdma", pid 10630, jiffies 4296575922 hex dump (first 32 bytes): 37 00 00 00 00 00 00 00 c0 ff ff ff 1f 00 00 00 7............... 10 34 a5 5d 85 88 ff ff 10 34 a5 5d 85 88 ff ff .4.].....4.].... backtrace (crc 47f66721): [<ffffffff911251bd>] kmalloc_trace+0x30d/0x3b0 [<ffffffffc2640ff7>] alloc_gid_entry+0x47/0x380 [ib_core] [<ffffffffc2642206>] add_modify_gid+0x166/0x930 [ib_core] [<ffffffffc2643468>] ib_cache_update.part.0+0x6d8/0x910 [ib_core] [<ffffffffc2644e1a>] ib_cache_setup_one+0x24a/0x350 [ib_core] [<ffffffffc263949e>] ib_register_device+0x9e/0x3a0 [ib_core] [<ffffffffc2a3d389>] 0xffffffffc2a3d389 [<ffffffffc2688cd8>] nldev_newlink+0x2b8/0x520 [ib_core] [<ffffffffc2645fe3>] rdma_nl_rcv_msg+0x2c3/0x520 [ib_core] [<ffffffffc264648c>] rdma_nl_rcv_skb.constprop.0.isra.0+0x23c/0x3a0 [ib_core] [<ffffffff9270e7b5>] netlink_unicast+0x445/0x710 [<ffffffff9270f1f1>] netlink_sendmsg+0x761/0xc40 [<ffffffff9249db29>] __sys_sendto+0x3a9/0x420 [<ffffffff9249dc8c>] __x64_sys_sendto+0xdc/0x1b0 [<ffffffff92db0ad3>] do_syscall_64+0x93/0x180 [<ffffffff92e00126>] entry_SYSCALL_64_after_hwframe+0x71/0x79 The root cause: rdma_put_gid_attr is not called when sgid_attr is set to ERR_PTR(-ENODEV).

Metrics

 

CVSS Version 4.0 CVSS Version 3.x CVSS Version 2.0

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

NIST: NVD

Base Score:  5.5 MEDIUM

Vector:  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS 2.0 Severity and Vector Strings:

NIST: NVD

Base Score: N/A

NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
https://git.kernel.org/stable/c/3eb127dc408bf7959a4920d04d16ce10e863686a	Patch
https://git.kernel.org/stable/c/6564fc1818404254d1c9f7d75b403b4941516d26	Patch
https://git.kernel.org/stable/c/9c0731832d3b7420cbadba6a7f334363bc8dfb15	Patch
https://git.kernel.org/stable/c/b3a7fb93afd888793ef226e9665fbda98a95c48e	Patch

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-401	Missing Release of Memory after Effective Lifetime	NIST

Known Affected Software Configurations Switch to CPE 2.2

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Change History

2 change records found show changes

Initial Analysis by NIST 8/26/2024 8:58:23 AM

Action	Type	Old Value	New Value
Added	CPE Configuration		OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.6 up to (excluding) 6.6.33 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.8.12 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.9 up to (excluding) 6.9.3
Added	CVSS V3.1		NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Added	CWE		NIST CWE-401
Changed	Reference Type	https://git.kernel.org/stable/c/3eb127dc408bf7959a4920d04d16ce10e863686a No Types Assigned	https://git.kernel.org/stable/c/3eb127dc408bf7959a4920d04d16ce10e863686a Patch
Changed	Reference Type	https://git.kernel.org/stable/c/6564fc1818404254d1c9f7d75b403b4941516d26 No Types Assigned	https://git.kernel.org/stable/c/6564fc1818404254d1c9f7d75b403b4941516d26 Patch
Changed	Reference Type	https://git.kernel.org/stable/c/9c0731832d3b7420cbadba6a7f334363bc8dfb15 No Types Assigned	https://git.kernel.org/stable/c/9c0731832d3b7420cbadba6a7f334363bc8dfb15 Patch
Changed	Reference Type	https://git.kernel.org/stable/c/b3a7fb93afd888793ef226e9665fbda98a95c48e No Types Assigned	https://git.kernel.org/stable/c/b3a7fb93afd888793ef226e9665fbda98a95c48e Patch

New CVE Received by NIST 6/19/2024 10:15:14 AM

Action	Type	Old Value	New Value
Added	Description		Record truncated, showing 500 of 1977 characters. View Entire Change Record In the Linux kernel, the following vulnerability has been resolved: RDMA/cma: Fix kmemleak in rdma_core observed during blktests nvme/rdma use siw When running blktests nvme/rdma, the following kmemleak issue will appear. kmemleak: Kernel memory leak detector initialized (mempool available:36041) kmemleak: Automatic memory scanning thread started kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) kmemleak: 8 new suspected memory leaks (see /sys/kernel/debug/kmemleak) kmem
Added	Reference		kernel.org https://git.kernel.org/stable/c/3eb127dc408bf7959a4920d04d16ce10e863686a [No types assigned]
Added	Reference		kernel.org https://git.kernel.org/stable/c/6564fc1818404254d1c9f7d75b403b4941516d26 [No types assigned]
Added	Reference		kernel.org https://git.kernel.org/stable/c/9c0731832d3b7420cbadba6a7f334363bc8dfb15 [No types assigned]
Added	Reference		kernel.org https://git.kernel.org/stable/c/b3a7fb93afd888793ef226e9665fbda98a95c48e [No types assigned]