Critical severity9.8NVD Advisory· Published Jul 1, 2026· Updated Jul 22, 2026
CVE-2026-53355
CVE-2026-53355
Description
In the Linux kernel, the following vulnerability has been resolved:
net: rds: clear i_sends on setup unwind
The RDS IB connection teardown path is written so it can run during partial startup and on repeated shutdown attempts. It uses NULL pointers to distinguish resources that are still owned from resources that have already been released.
When rds_ib_setup_qp() fails after allocating i_sends but before allocating i_recvs, the sends_out path frees i_sends without clearing the pointer. A later shutdown pass can still treat that stale pointer as a live send ring allocation.
Clear i_sends after vfree() in the error unwind path so the existing shutdown logic continues to use the correct ownership state.
Affected products
29cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 14 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=3.18.74,<3.19
- cpe:2.3:o:linux:linux_kernel:4.11:-:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:4.11:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:4.11:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:4.11:rc5:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:4.11:rc6:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:4.11:rc7:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:4.11:rc8:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.1:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.1:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.1:rc5:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.1:rc6:*:*:*:*:*:*
- (no CPE)
- osv-coords14 versionspkg:linux/kernelpkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2016.0
>= 4.11.0, < 5.10.259+ 13 more
- (no CPE)range: >= 4.11.0, < 5.10.259
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1.160000.2.19
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
Patches
Vulnerability mechanics
References
8- git.kernel.org/stable/c/1d4ec754ee3871f7e3670c67bb0298c9c5760926nvdPatch
- git.kernel.org/stable/c/20cf0fb715c41111469577e85e35d15f099473e0nvdPatch
- git.kernel.org/stable/c/27040bbca289a704eafcacca167d310c6ce2b1bcnvdPatch
- git.kernel.org/stable/c/29d940026dce39e3018dab6f67c9427249321270nvdPatch
- git.kernel.org/stable/c/2c5e5e4a5970c41f16e3ad801a78719ed5d5c71bnvdPatch
- git.kernel.org/stable/c/66cccec111421a10efdc2c74499d15b93e7acae5nvdPatch
- git.kernel.org/stable/c/e7cf30aa5f1fc6c2a86df65df8b731df20e44d79nvdPatch
- git.kernel.org/stable/c/f16ad421a4e3e7db2d14bdf3b16f583bc4f3b30anvdPatch
News mentions
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