1747 matches found
CVE-2021-47143
CVE-2021-47143 affects the Linux kernel net/smc subsystem. The root cause was missing cleanup when a smcd_dev device_add() failed, leaving the device in smcd_dev_list and later freeing it, causing a corrupted list. The fix adds error handling to remove the device from the list on device_add() fai...
CVE-2021-47140 iommu/amd: Clear DMA ops when switching domain
In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Clear DMA ops when switching domain Since commit 08a27c1c3ecf "iommu: Add support to change default domain of an iommu group" a user can switch a device between IOMMU and direct DMA through sysfs. This doesn't work for...
CVE-2021-47136 net: zero-initialize tc skb extension on allocation
In the Linux kernel, the following vulnerability has been resolved: net: zero-initialize tc skb extension on allocation Function skbextadd doesn't initialize created skb extension with any value and leaves it up to the user. However, since extension of type TCSKBEXT originally contained only sing...
CVE-2024-26631
In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: fix data-race in ipv6mcdown / mldifcwork idev-mcifccount can be written over without proper locking. Originally found by syzbot 1, fix this issue by encapsulating calls to mldifcstopwork and mldgqstopwork for good...
CVE-2023-52617 PCI: switchtec: Fix stdev_release() crash after surprise hot remove
In the Linux kernel, the following vulnerability has been resolved: PCI: switchtec: Fix stdevrelease crash after surprise hot remove A PCI device hot removal may occur while stdev-cdev is held open. The call to stdevrelease then happens during close or exit, at a point way past switchtecpciremove...
CVE-2024-26633 ip6_tunnel: fix NEXTHDR_FRAGMENT handling in ip6_tnl_parse_tlv_enc_lim()
In the Linux kernel, the following vulnerability has been resolved: ip6tunnel: fix NEXTHDRFRAGMENT handling in ip6tnlparsetlvenclim syzbot pointed out 1 that NEXTHDRFRAGMENT handling is broken. Reading fragoff can only be done if we pulled enough bytes to skb-head. Currently we might access...
CVE-2024-26632 block: Fix iterating over an empty bio with bio_for_each_folio_all
In the Linux kernel, the following vulnerability has been resolved: block: Fix iterating over an empty bio with bioforeachfolioall If the bio contains no data, biofirstfolio calls pagefolio on a NULL pointer and oopses. Move the test that we've reached the end of the bio from bionextfolio to...
CVE-2021-47134
In the Linux kernel, the following vulnerability has been resolved: efi/fdt: fix panic when no valid fdt found setuparch would invoke efiinit-efigetfdtparams. If no valid fdt found then initialbootparams will be null. So we should stop further fdt processing here. I encountered this issue on risc...
CVE-2021-47127 ice: track AF_XDP ZC enabled queues in bitmap
In the Linux kernel, the following vulnerability has been resolved: ice: track AFXDP ZC enabled queues in bitmap Commit c7a219048e45 "ice: Remove xskbuffpool from VSI structure" silently introduced a regression and broke the Tx side of AFXDP in copy mode. xskpool on icering is set only based on t...
CVE-2021-47126 ipv6: Fix KASAN: slab-out-of-bounds Read in fib6_nh_flush_exceptions
In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix KASAN: slab-out-of-bounds Read in fib6nhflushexceptions Reported by syzbot: HEAD commit: 90c911ad Merge tag 'fixes' of git://git.kernel.org/pub/scm.. git tree:...
CVE-2021-47123 io_uring: fix ltout double free on completion race
In the Linux kernel, the following vulnerability has been resolved: iouring: fix ltout double free on completion race Always remove linked timeout on iolinktimeoutfn from the master request link list, otherwise we may get use-after-free when first iolinktimeoutfn puts linked timeout in the fail...
Null pointer dereference
In the Linux kernel, the following vulnerability has been resolved: net/smc: fix illegal rmbdesc access in SMC-D connection dump A crash was found when dumping SMC-D connections. It can be reproduced by following steps: - run nginx/wrk test: smcrun nginx smcrun wrk -t 16 -c 1000 -d -H 'Connection...
CVE-2023-52598
In the Linux kernel, the following vulnerability has been resolved: s390/ptrace: handle setting of fpc register correctly If the content of the floating point control fpc register of a traced process is modified with the ptrace interface the new value is tested for validity by temporarily loading...
CVE-2024-26626 ipmr: fix kernel panic when forwarding mcast packets
In the Linux kernel, the following vulnerability has been resolved: ipmr: fix kernel panic when forwarding mcast packets The stacktrace was: 86.305548 BUG: kernel NULL pointer dereference, address: 0000000000000092 86.306815 PF: supervisor read access in kernel mode 86.307717 PF: errorcode0x0000 ...
CVE-2023-52604 FS:JFS:UBSAN:array-index-out-of-bounds in dbAdjTree
In the Linux kernel, the following vulnerability has been resolved: FS:JFS:UBSAN:array-index-out-of-bounds in dbAdjTree Syzkaller reported the following issue: UBSAN: array-index-out-of-bounds in fs/jfs/jfsdmap.c:2867:6 index 196694 is out of range for type 's81365' aka 'signed char1365' CPU: 1...
CVE-2023-52601 jfs: fix array-index-out-of-bounds in dbAdjTree
In the Linux kernel, the following vulnerability has been resolved: jfs: fix array-index-out-of-bounds in dbAdjTree Currently there is a bound check missing in the dbAdjTree while accessing the dmtstree. To add the required check added the bool isctl which is required to determine the size as...
CVE-2023-52599 jfs: fix array-index-out-of-bounds in diNewExt
In the Linux kernel, the following vulnerability has been resolved: jfs: fix array-index-out-of-bounds in diNewExt Syz report UBSAN: array-index-out-of-bounds in fs/jfs/jfsimap.c:2360:2 index -878706688 is out of range for type 'struct iagctl128' CPU: 1 PID: 5065 Comm: syz-executor282 Not tainted...
CVE-2023-52588
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to tag gcing flag on page during block migration It needs to add missing gcing flag on page during block migration, in order to garantee migrated data be persisted during checkpoint, otherwise out-of-order persistency...