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THREATINT
PUBLISHED

CVE-2024-27396

net: gtp: Fix Use-After-Free in gtp_dellink

Reserved:2024-02-25
Published:2024-05-09
Updated:2024-05-13

Description

In the Linux kernel, the following vulnerability has been resolved: net: gtp: Fix Use-After-Free in gtp_dellink Since call_rcu, which is called in the hlist_for_each_entry_rcu traversal of gtp_dellink, is not part of the RCU read critical section, it is possible that the RCU grace period will pass during the traversal and the key will be free. To prevent this, it should be changed to hlist_for_each_entry_safe.

Product status

Default status
unaffected

043a283d24f4 before 07b20d0a3dc1
affected

c185e1d6e275 before 718df1bc226c
affected

94dc550a5062 before 0caff3e6390f
affected

94dc550a5062 before 2e74b3fd6bf5
affected

94dc550a5062 before 25a1c2d4b1fc
affected

94dc550a5062 before 2aacd4de4547
affected

94dc550a5062 before cd957d1716ec
affected

94dc550a5062 before f2a904107ee2
affected

Default status
affected

5.5
affected

Any version before 5.5
unaffected

4.19.313
unaffected

5.4.275
unaffected

5.10.216
unaffected

5.15.158
unaffected

6.1.90
unaffected

6.6.30
unaffected

6.8.9
unaffected

6.9
unaffected

References

https://git.kernel.org/stable/c/07b20d0a3dc13fb1adff10b60021a4924498da58

https://git.kernel.org/stable/c/718df1bc226c383dd803397d7f5d95557eb81ac7

https://git.kernel.org/stable/c/0caff3e6390f840666b8dc1ecebf985c2ef3f1dd

https://git.kernel.org/stable/c/2e74b3fd6bf542349758f283676dff3660327c07

https://git.kernel.org/stable/c/25a1c2d4b1fcf938356a9688a96a6456abd44b29

https://git.kernel.org/stable/c/2aacd4de45477582993f8a8abb9505a06426bfb6

https://git.kernel.org/stable/c/cd957d1716ec979d8f5bf38fc659aeb9fdaa2474

https://git.kernel.org/stable/c/f2a904107ee2b647bb7794a1a82b67740d7c8a64

cve.org CVE-2024-27396

nvd.nist.gov CVE-2024-27396

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