CVE-2022-49275

can: m_can: m_can_tx_handler(): fix use after free of skb

HIGH

7.8

CVSS Score

Published: February 26, 2025 at 01:56 AM UTC

Updated: August 5, 2026 at 09:24 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

HIGH7.8

Exploit prediction

EPSS 0.3%

SSVC

No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: can: m_can: m_can_tx_handler(): fix use after free of skb can_put_echo_skb() will clone skb then free the skb. Move the can_put_echo_skb() for the m_can version 3.0.x directly before the start of the xmit in hardware, similar to the 3.1.x branch.

Affected

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

Linux Kernel · Linux

95%

3.18 ≤ v < 4.14.2893.18 ≤ v < 4.19.2533.18 ≤ v < 4.9.3243.18 ≤ v < 5.10.1103.18 ≤ v < 5.15.333.18 ≤ v < 5.16.193.18 ≤ v < 5.17.23.18 ≤ v < 5.183.18 ≤ v < 5.4.2074.10 ≤ v < 4.14.2894.15 ≤ v < 4.19.2534.20 ≤ v < 5.4.2075.11 ≤ v < 5.15.335.16 ≤ v < 5.16.195.17 ≤ v < 5.17.25.5 ≤ v < 5.10.1103.1880646733f11c2e9de3b6339f7e635047e6087280

Vendor states this is fixed in 08d90846e438ac22dc56fc49ec0b0d195831c5ed (fixed)

Vendor states this is fixed in 2e8e79c416aae1de224c0f1860f2e3350fa171f8 (fixed)

Vendor states this is fixed in 31417073493f302d26ab66b3abc098d43227b835 (fixed)

Vendor states this is fixed in 4db7d6f481990dd179a9ee7126dc7aa31ea4fff3 (fixed)

Vendor states this is fixed in 7728d937ec403a1ceff9483023252d2cb8777f81 (fixed)

Vendor states this is fixed in 869016a2938ac44f7b2fb7fc22c89edad99eb9b3 (fixed)

Vendor states this is fixed in d3892a747ab16b1eb6593a19d29f62c3b3f020ac (fixed)

Vendor states this is fixed in d93ed9aff64968f4cdad690712eb4f48ae537bde (fixed)

Vendor states this is fixed in f43e64076ff1b1dcb893fb77ad1204105f710a29 (fixed)

Vendor states this is fixed in 3.18 (unaffected)

Vendor states this is fixed in 4.14.289 (unaffected)

Vendor states this is fixed in 4.19.253 (unaffected)

Vendor states this is fixed in 4.9.324 (unaffected)

Vendor states this is fixed in 5.10.110 (unaffected)

Vendor states this is fixed in 5.15.33 (unaffected)

Vendor states this is fixed in 5.16.19 (unaffected)

Vendor states this is fixed in 5.17.2 (unaffected)

Vendor states this is fixed in 5.18 (unaffected)

Vendor states this is fixed in 5.4.207 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references