CVE-2024-53206

Summary

In the Linux kernel, the following vulnerability has been resolved:

tcp: Fix use-after-free of nreq in reqsk_timer_handler().

The cited commit replaced inet_csk_reqsk_queue_drop_and_put() with __inet_csk_reqsk_queue_drop() and reqsk_put() in reqsk_timer_handler().

Then, oreq should be passed to reqsk_put() instead of req; otherwise use-after-free of nreq could happen when reqsk is migrated but the retry attempt failed (e.g. due to timeout).

Let's pass oreq to reqsk_put().

Affected Software

VendorProductVersion RangeStatus
LinuxLinux8459d61fbf24967839a70235165673148c7c7f17 < 2dcc86fefe09ac853158afd96b60d544af115dc5affected
LinuxLinux5071beb59ee416e8ab456ac8647a4dabcda823b1 < 9a3c1ad93e6fba67b3a637cfa95a57a6685e4908affected
LinuxLinux997ae8da14f1639ce6fb66a063dab54031cd61b3 < 65ed89cad1f57034c256b016e89e8c0a4ec7c65baffected
LinuxLinux51e34db64f4e43c7b055ccf881b7f3e0c31bb26d < d0eb14cb8c08b00c36a3d5dc57a6f428b301f721affected
LinuxLinuxe8c526f2bdf1845bedaf6a478816a3d06fa78b8f < 6d845028609a4af0ad66f499ee0bd5789122b067affected
LinuxLinuxe8c526f2bdf1845bedaf6a478816a3d06fa78b8f < c31e72d021db2714df03df6c42855a1db592716caffected
LinuxLinux106e457953315e476b3642ef24be25ed862aaba3affected
LinuxLinuxc964bf65f80a14288d767023a1b300b30f5b9cd0affected
LinuxLinux5.15.170 < 5.15.174affected
LinuxLinux6.1.115 < 6.1.120affected
LinuxLinux6.6.59 < 6.6.64affected
LinuxLinux6.11.6 < 6.11.11affected
LinuxLinux5.4.293 < 5.5affected
LinuxLinux5.10.237 < 5.11affected
LinuxLinux6.12affected
LinuxLinux0 < 6.12unaffected
LinuxLinux5.15.174 <= 5.15.*unaffected
LinuxLinux6.1.120 <= 6.1.*unaffected
LinuxLinux6.6.64 <= 6.6.*unaffected
LinuxLinux6.11.11 <= 6.11.*unaffected
LinuxLinux6.12.2 <= 6.12.*unaffected
LinuxLinux6.13 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

CVE Program Container

Additional References

References