Description
In the Linux kernel, the following vulnerability has been resolved: iscsi_ibft: Fix UBSAN shift-out-of-bounds warning in ibft_attr_show_nic() When performing an iSCSI boot using IPv6, iscsistart still reads the /sys/firmware/ibft/ethernetX/subnet-mask entry. Since the IPv6 prefix length is 64, this causes the shift exponent to become negative, triggering a UBSAN warning. As the concept of a subnet mask does not apply to IPv6, the value is set to ~0 to suppress the warning message.
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
138fe4e069798d9aa948a5402ff15e58f483ee4e to < a858cd58dea06cf85b142673deea8c5d87f11e70affected138fe4e069798d9aa948a5402ff15e58f483ee4e to < f763c82db8166e28f45b7cc4a5398a7859665940affected138fe4e069798d9aa948a5402ff15e58f483ee4e to < b388e185bfad32bfed6a97a6817f74ca00a4318faffected138fe4e069798d9aa948a5402ff15e58f483ee4e to < 9bfa80c8aa4e06dff55a953c3fffbfc68a3a3b1caffected138fe4e069798d9aa948a5402ff15e58f483ee4e to < 2d1eef248107bdf3d5a69d0fde04c30a79a7bf5daffected138fe4e069798d9aa948a5402ff15e58f483ee4e to < b253660fac5e0e9080d2c95e3a029e1898d49afbaffected138fe4e069798d9aa948a5402ff15e58f483ee4e to < c1c6e527470e5eab0b2d57bd073530fbace39eabaffected138fe4e069798d9aa948a5402ff15e58f483ee4e to < 07e0d99a2f701123ad3104c0f1a1e66bce74d6e5affected
Linux Linux
Default version status: affected
2.6.26affected0 to < 2.6.26unaffected5.4.292 to ≤ 5.4.*unaffected5.10.236 to ≤ 5.10.*unaffected5.15.180 to ≤ 5.15.*unaffected6.1.132 to ≤ 6.1.*unaffected6.6.84 to ≤ 6.6.*unaffected6.12.20 to ≤ 6.12.*unaffected6.13.8 to ≤ 6.13.*unaffected6.14 to ≤ *unaffected
References
- https://git.kernel.org/stable/c/a858cd58dea06cf85b142673deea8c5d87f11e70 ↗
- https://git.kernel.org/stable/c/f763c82db8166e28f45b7cc4a5398a7859665940 ↗
- https://git.kernel.org/stable/c/b388e185bfad32bfed6a97a6817f74ca00a4318f ↗
- https://git.kernel.org/stable/c/9bfa80c8aa4e06dff55a953c3fffbfc68a3a3b1c ↗
- https://git.kernel.org/stable/c/2d1eef248107bdf3d5a69d0fde04c30a79a7bf5d ↗
- https://git.kernel.org/stable/c/b253660fac5e0e9080d2c95e3a029e1898d49afb ↗
- https://git.kernel.org/stable/c/c1c6e527470e5eab0b2d57bd073530fbace39eab ↗
- https://git.kernel.org/stable/c/07e0d99a2f701123ad3104c0f1a1e66bce74d6e5 ↗
- https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html ↗
- https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html ↗