CVE-2022-48983 io_uring: Fix a null-ptr-deref in io_tctx_exit_cb()

In the Linux kernel, the following vulnerability has been resolved: iouring: Fix a null-ptr-deref in iotctxexitcb Syzkaller reports a NULL deref bug as follows: BUG: KASAN: null-ptr-deref in iotctxexitcb+0x53/0xd3 Read of size 4 at addr 0000000000000138 by task file1/1955 CPU: 1 PID: 1955 Comm:...

CVE-2022-48983

CVE-2022-48983 is a Linux kernel vulnerability where a NULL pointer dereference in io_tctx_exit_cb() could occur during io_uring/cancellation interplay, leading to a kernel panic. The issue arose when task_work added by io_ring_exit_work() could race with cancellation of exec work, causing curren...

CVE-2022-48970 af_unix: Get user_ns from in_skb in unix_diag_get_exact().

In the Linux kernel, the following vulnerability has been resolved: afunix: Get userns from inskb in unixdiaggetexact. Wei Chen reported a NULL deref in skuserns 01, and Paolo diagnosed the root cause: in unixdiaggetexact, the newly allocated skb does not have sk. 2 We must get the userns from th...

CVE-2022-48970

CVE-2022-48970 : In the Linux kernel, a NULL pointer dereference in af_unix handling can occur when unix_diag_get_exact() processes a netlink message because a newly allocated skb may not have skb->sk. The root cause is that unix_diag_get_exact() must obtain the user namespace from the NETLINK...

CVE-2024-50062 RDMA/rtrs-srv: Avoid null pointer deref during path establishment

In the Linux kernel, the following vulnerability has been resolved: RDMA/rtrs-srv: Avoid null pointer deref during path establishment For RTRS path establishment, RTRS client initiates and completes connum of connections. After establishing all its connections, the information is exchanged betwee...

CVE-2024-49979

In the Linux kernel, the following vulnerability has been resolved: net: gso: fix tcp fraglist segmentation after pull from fraglist Detect tcp gso fraglist skbs with corrupted geometry see below and pass these to skbsegment instead of skbsegmentlist, as the first can segment them correctly. Vali...

CVE-2024-50000

CVE-2024-50000 affects the Linux kernel mlx5e driver: in mlx5e_tir_builder_alloc(), kvzalloc() may return NULL and the code dereferences it, causing a NULL pointer dereference. The vulnerability is fixed by the upstream patch in the Linux kernel; remediation is to upgrade to a version containing ...

CVE-2024-50000 net/mlx5e: Fix NULL deref in mlx5e_tir_builder_alloc()

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix NULL deref in mlx5etirbuilderalloc In mlx5etirbuilderalloc kvzalloc may return NULL which is dereferenced on the next line in a reference to the modify field. Found by Linux Verification Center linuxtesting.org wit...

CVE-2024-50000 net/mlx5e: Fix NULL deref in mlx5e_tir_builder_alloc()

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix NULL deref in mlx5etirbuilderalloc In mlx5etirbuilderalloc kvzalloc may return NULL which is dereferenced on the next line in a reference to the modify field. Found by Linux Verification Center linuxtesting.org wit...

CVE-2024-49978 gso: fix udp gso fraglist segmentation after pull from frag_list

In the Linux kernel, the following vulnerability has been resolved: gso: fix udp gso fraglist segmentation after pull from fraglist Detect gso fraglist skbs with corrupted geometry see below and pass these to skbsegment instead of skbsegmentlist, as the first can segment them correctly. Valid...

CVE-2024-49979 net: gso: fix tcp fraglist segmentation after pull from frag_list

In the Linux kernel, the following vulnerability has been resolved: net: gso: fix tcp fraglist segmentation after pull from fraglist Detect tcp gso fraglist skbs with corrupted geometry see below and pass these to skbsegment instead of skbsegmentlist, as the first can segment them correctly. Vali...

CVE-2024-49957 ocfs2: fix null-ptr-deref when journal load failed.

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix null-ptr-deref when journal load failed. During the mounting process, if journalreset fails because of too short journal, then lead to jbd2journalload fails with NULL jsbbuffer. Subsequently, ocfs2journalshutdown calls...

CVE-2024-49944 sctp: set sk_state back to CLOSED if autobind fails in sctp_listen_start

In the Linux kernel, the following vulnerability has been resolved: sctp: set skstate back to CLOSED if autobind fails in sctplistenstart In sctplistenstart invoked by sctpinetlisten, it should set the skstate back to CLOSED if sctpautobind fails due to whatever reason. Otherwise, next time when...

CVE-2024-47707

In the Linux kernel, the following vulnerability has been resolved: ipv6: avoid possible NULL deref in rt6uncachedlistflushdev Blamed commit accidentally removed a check for rt-rt6iidev being NULL, as spotted by syzbot: Oops: general protection fault, probably for non-canonical address...

CVE-2024-47699

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix potential null-ptr-deref in nilfsbtreeinsert Patch series "nilfs2: fix potential issues with empty b-tree nodes". This series addresses three potential issues with empty b-tree nodes that can occur with corrupted...

CVE-2024-47688

In the Linux kernel, the following vulnerability has been resolved: driver core: Fix a potential null-ptr-deref in moduleadddriver Inject fault while probing of-fpga-region, if kasprintf fails in moduleadddriver, the second sysfsremovelink in exit path will cause null-ptr-deref as below because...

CVE-2024-47707

Mode C: CVE-2024-47707 is a Linux kernel vulnerability affecting IPv6 route handling. The connected Astra Linux bulletin confirms a concrete root cause: a NULL check for rt->rt6i_idev was removed, risking a null pointer dereference in rt6_uncached_list_flush_dev() when processing IPv6 route st...

CVE-2024-47707 ipv6: avoid possible NULL deref in rt6_uncached_list_flush_dev()

In the Linux kernel, the following vulnerability has been resolved: ipv6: avoid possible NULL deref in rt6uncachedlistflushdev Blamed commit accidentally removed a check for rt-rt6iidev being NULL, as spotted by syzbot: Oops: general protection fault, probably for non-canonical address...

CVE-2024-47688 driver core: Fix a potential null-ptr-deref in module_add_driver()

In the Linux kernel, the following vulnerability has been resolved: driver core: Fix a potential null-ptr-deref in moduleadddriver Inject fault while probing of-fpga-region, if kasprintf fails in moduleadddriver, the second sysfsremovelink in exit path will cause null-ptr-deref as below because...

CVE-2024-47688 driver core: Fix a potential null-ptr-deref in module_add_driver()

In the Linux kernel, the following vulnerability has been resolved: driver core: Fix a potential null-ptr-deref in moduleadddriver Inject fault while probing of-fpga-region, if kasprintf fails in moduleadddriver, the second sysfsremovelink in exit path will cause null-ptr-deref as below because...