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CVE PROGRAM SOURCE RECORD7.8 High

CVE-2024-26739

net/sched: act_mirred: don't override retval if we already lost the skb

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: net/sched: act_mirred: don't override retval if we already lost the skb If we're redirecting the skb, and haven't called tcf_mirred_forward(), yet, we need to tell the core to drop the skb by setting the retcode to SHOT. If we have called tcf_mirred_forward(), however, the skb is out of our hands and returning SHOT will lead to UaF. Move the retval override to the error path which actually need it.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • e5cf1baf92cb785b90390db1c624948e70c8b8bd to < 0117fe0a4615a7c8d30d6ebcbf87332fbe63e6fdaffected
  • e5cf1baf92cb785b90390db1c624948e70c8b8bd to < 9d3ef89b6a5e9f2e940de2cef3d543be0be8dec5affected
  • e5cf1baf92cb785b90390db1c624948e70c8b8bd to < e873e8f7d03a2ee5b77fb1a305c782fed98e2754affected
  • e5cf1baf92cb785b90390db1c624948e70c8b8bd to < 28cdbbd38a4413b8eff53399b3f872fd4e80db9daffected
  • e5cf1baf92cb785b90390db1c624948e70c8b8bd to < f4e294bbdca8ac8757db436fc82214f3882fc7e7affected
  • e5cf1baf92cb785b90390db1c624948e70c8b8bd to < 166c2c8a6a4dc2e4ceba9e10cfe81c3e469e3210affected

Linux Linux

Default version status: affected

  • 4.19affected
  • 0 to < 4.19unaffected
  • 5.10.238 to ≤ 5.10.*unaffected
  • 5.15.182 to ≤ 5.15.*unaffected
  • 6.1.136 to ≤ 6.1.*unaffected
  • 6.6.19 to ≤ 6.6.*unaffected
  • 6.7.7 to ≤ 6.7.*unaffected
  • 6.8 to ≤ *unaffected

References