CVE-2024-36945

net/smc: fix neighbour and rtable leak in smc_ib_find_route()

MEDIUM

5.5

CVSS Score

Published: May 30, 2024 at 03:35 PM UTC

Updated: August 5, 2026 at 12:04 PM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.5%

SSVC

No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix neighbour and rtable leak in smc_ib_find_route() In smc_ib_find_route(), the neighbour found by neigh_lookup() and rtable resolved by ip_route_output_flow() are not released or put before return. It may cause the refcount leak, so fix it.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

5.16 ≤ v < 6.1.915.16 ≤ v < 6.6.315.16 ≤ v < 6.8.105.16 ≤ v < 6.96.2 ≤ v < 6.6.316.7 ≤ v < 6.8.106.9 rc1 6.9 rc2 6.9 rc3 6.9 rc4 6.9 rc5 6.9 rc6 6.9 rc7e5c4744cfb598f98672f8d21d59ef2c1fa9c9b5f

Vendor states this is fixed in 2ddc0dd7fec86ee53b8928a5cca5fbddd4fc7c06 (fixed)

Vendor states this is fixed in 5df93c029a907b0ff5a4eeadd77ba06ff0a277d2 (fixed)

Vendor states this is fixed in d5a466ab6e78d6f2e0f64435f1e17246c8e941ff (fixed)

Vendor states this is fixed in da91e447d06dc649fcf46e59122e7bf8f0b2e0db (fixed)

Vendor states this is fixed in 5.16 (unaffected)

Vendor states this is fixed in 6.1.91 (unaffected)

Vendor states this is fixed in 6.6.31 (unaffected)

Vendor states this is fixed in 6.8.10 (unaffected)

Vendor states this is fixed in 6.9 (unaffected)