CVE-2024-38539 Vulnerability Details

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CVE-2024-38539 Metadata Quick Info

CVE Published: 19/06/2024 | CVE Updated: 05/11/2024 | CVE Year: 2024
Source: Linux | Vendor: Linux | Product: Linux
Status : PUBLISHED

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CVE-2024-38539 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): [] kmalloc_trace+0x30d/0x3b0 [] alloc_gid_entry+0x47/0x380 [ib_core] [] add_modify_gid+0x166/0x930 [ib_core] [] ib_cache_update.part.0+0x6d8/0x910 [ib_core] [] ib_cache_setup_one+0x24a/0x350 [ib_core] [] ib_register_device+0x9e/0x3a0 [ib_core] [] 0xffffffffc2a3d389 [] nldev_newlink+0x2b8/0x520 [ib_core] [] rdma_nl_rcv_msg+0x2c3/0x520 [ib_core] [] rdma_nl_rcv_skb.constprop.0.isra.0+0x23c/0x3a0 [ib_core] [] netlink_unicast+0x445/0x710 [] netlink_sendmsg+0x761/0xc40 [] __sys_sendto+0x3a9/0x420 [] __x64_sys_sendto+0xdc/0x1b0 [] do_syscall_64+0x93/0x180 [] 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: 3.1 | Base Score: n/a
Vector: n/a

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    Integrity Impact (I)*
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Weakness Enumeration (CWE)

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Source: Linux

Common Attack Pattern Enumeration and Classification (CAPEC)

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Source: NVD (National Vulnerability Database).